97985265 has 32 divisors (see below), whose sum is σ = 184958976. Its totient is φ = 43346880.

The previous prime is 97985257. The next prime is 97985269. The reversal of 97985265 is 56258979.

It is a happy number.

It is not a de Polignac number, because 97985265 - 2³ = 97985257 is a prime.

It is a super-2 number, since 2×97985265² = 19202224314240450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97985269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11797 + ... + 18306.

It is an arithmetic number, because the mean of its divisors is an integer number (5779968).

Almost surely, 2^97985265 is an apocalyptic number.

It is an amenable number.

97985265 is a deficient number, since it is larger than the sum of its proper divisors (86973711).

97985265 is a wasteful number, since it uses less digits than its factorization.

97985265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30149.

The product of its digits is 1360800, while the sum is 51.

The square root of 97985265 is about 9898.7506787473. The cubic root of 97985265 is about 461.0205209800.

The spelling of 97985265 in words is "ninety-seven million, nine hundred eighty-five thousand, two hundred sixty-five".