97522965 has 24 divisors (see below), whose sum is σ = 178984728. Its totient is φ = 48952320.

The previous prime is 97522961. The next prime is 97522987. The reversal of 97522965 is 56922579.

It can be written as a sum of positive squares in 4 ways, for example, as 26811684 + 70711281 = 5178^2 + 8409^2 .

It is not a de Polignac number, because 97522965 - 2² = 97522961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 97522965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97522961) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 62976 + ... + 64505.

It is an arithmetic number, because the mean of its divisors is an integer number (7457697).

Almost surely, 2^97522965 is an apocalyptic number.

It is an amenable number.

97522965 is a deficient number, since it is larger than the sum of its proper divisors (81461763).

97522965 is a wasteful number, since it uses less digits than its factorization.

97522965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127509 (or 127506 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 97522965 is about 9875.3716385764. The cubic root of 97522965 is about 460.2943374588.

The spelling of 97522965 in words is "ninety-seven million, five hundred twenty-two thousand, nine hundred sixty-five".