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97225 = 523889
BaseRepresentation
bin10111101111001001
311221100221
4113233021
511102400
62030041
7553312
oct275711
9157327
1097225
1167057
1248321
133533b
1427609
151dc1a
hex17bc9

97225 has 6 divisors (see below), whose sum is σ = 120590. Its totient is φ = 77760.

The previous prime is 97213. The next prime is 97231. The reversal of 97225 is 52279.

It can be written as a sum of positive squares in 3 ways, for example, as 12544 + 84681 = 112^2 + 291^2 .

It is not a de Polignac number, because 97225 - 211 = 95177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 3889 = 97225 / (9 + 7 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 97225.

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 5 ways as a sum of consecutive naturals, for example, 1920 + ... + 1969.

297225 is an apocalyptic number.

It is an amenable number.

97225 is a deficient number, since it is larger than the sum of its proper divisors (23365).

97225 is a wasteful number, since it uses less digits than its factorization.

97225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899 (or 3894 counting only the distinct ones).

The product of its digits is 1260, while the sum is 25.

The square root of 97225 is about 311.8092365534. The cubic root of 97225 is about 45.9825075267.

It can be divided in two parts, 9 and 7225, that multiplied together give a square (65025 = 2552).

The spelling of 97225 in words is "ninety-seven thousand, two hundred twenty-five".

Divisors: 1 5 25 3889 19445 97225