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1225065355 = 5245013071
BaseRepresentation
bin100100100000101…
…0000001110001011
310011101011202201221
41021001100032023
510002104042410
6321321222511
742233612053
oct11101201613
93141152657
101225065355
11579576808
122a2331a37
13166a5c357
14b89b6563
157283c4da
hex4905038b

1225065355 has 4 divisors (see below), whose sum is σ = 1470078432. Its totient is φ = 980052280.

The previous prime is 1225065329. The next prime is 1225065383. The reversal of 1225065355 is 5535605221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1225065355 - 25 = 1225065323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1225065355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122506531 + ... + 122506540.

It is an arithmetic number, because the mean of its divisors is an integer number (367519608).

Almost surely, 21225065355 is an apocalyptic number.

1225065355 is a deficient number, since it is larger than the sum of its proper divisors (245013077).

1225065355 is an equidigital number, since it uses as much as digits as its factorization.

1225065355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245013076.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 1225065355 is about 35000.9336304048. The cubic root of 1225065355 is about 1070.0065085347.

The spelling of 1225065355 in words is "one billion, two hundred twenty-five million, sixty-five thousand, three hundred fifty-five".

Divisors: 1 5 245013071 1225065355