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1001010225 = 35259226217
BaseRepresentation
bin111011101010100…
…011010000110001
32120202120120212210
4323222203100301
54022224311400
6243155042333
733543306105
oct7352432061
92522516783
101001010225
11474053886
1223b2a03a9
1312c501c57
1496d31905
155cd30950
hex3baa3431

1001010225 has 24 divisors (see below), whose sum is σ = 1683061920. Its totient is φ = 524821120.

The previous prime is 1001010223. The next prime is 1001010239. The reversal of 1001010225 is 5220101001.

1001010225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1001010225 - 21 = 1001010223 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001010225.

It is not an unprimeable number, because it can be changed into a prime (1001010223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108684 + ... + 117533.

It is an arithmetic number, because the mean of its divisors is an integer number (70127580).

Almost surely, 21001010225 is an apocalyptic number.

1001010225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001010225 is a deficient number, since it is larger than the sum of its proper divisors (682051695).

1001010225 is a wasteful number, since it uses less digits than its factorization.

1001010225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226289 (or 226284 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1001010225 is about 31638.7456293703. The cubic root of 1001010225 is about 1000.3366283353.

Adding to 1001010225 its reverse (5220101001), we get a palindrome (6221111226).

The spelling of 1001010225 in words is "one billion, one million, ten thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 59 75 177 295 885 1475 4425 226217 678651 1131085 3393255 5655425 13346803 16966275 40040409 66734015 200202045 333670075 1001010225