97902025 has 12 divisors (see below), whose sum is σ = 130737292. Its totient is φ = 72296640.

The previous prime is 97902019. The next prime is 97902043. The reversal of 97902025 is 52020979.

97902025 = 6996² + 6997².

It can be written as a sum of positive squares in 6 ways, for example, as 38180041 + 59721984 = 6179^2 + 7728^2 .

It is a de Polignac number, because none of the positive numbers 2^k-97902025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150294 + ... + 150943.

Almost surely, 2^97902025 is an apocalyptic number.

97902025 is the 6997-th centered square number.

It is an amenable number.

97902025 is a deficient number, since it is larger than the sum of its proper divisors (32835267).

97902025 is a wasteful number, since it uses less digits than its factorization.

97902025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301260 (or 301255 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 97902025 is about 9894.5452144098. The cubic root of 97902025 is about 460.8899359711.

The spelling of 97902025 in words is "ninety-seven million, nine hundred two thousand, twenty-five".