97660625 has 10 divisors (see below), whose sum is σ = 122037498. Its totient is φ = 78128000.

The previous prime is 97660561. The next prime is 97660639. The reversal of 97660625 is 52606679.

It can be written as a sum of positive squares in 5 ways, for example, as 64529089 + 33131536 = 8033^2 + 5756^2 .

It is not a de Polignac number, because 97660625 - 2⁶ = 97660561 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 77504 + ... + 78753.

Almost surely, 2^97660625 is an apocalyptic number.

It is an amenable number.

97660625 is a deficient number, since it is larger than the sum of its proper divisors (24376873).

97660625 is an equidigital number, since it uses as much as digits as its factorization.

97660625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156277 (or 156262 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 97660625 is about 9882.3390449832. The cubic root of 97660625 is about 460.5108140862.

The spelling of 97660625 in words is "ninety-seven million, six hundred sixty thousand, six hundred twenty-five".