97525977 has 4 divisors (see below), whose sum is σ = 130034640. Its totient is φ = 65017316.

The previous prime is 97525973. The next prime is 97525979. The reversal of 97525977 is 77952579.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97525977 - 2² = 97525973 is a prime.

It is a super-2 number, since 2×97525977² = 19022632379609058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97525973) 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 3 ways as a sum of consecutive naturals, for example, 16254327 + ... + 16254332.

It is an arithmetic number, because the mean of its divisors is an integer number (32508660).

Almost surely, 2^97525977 is an apocalyptic number.

It is an amenable number.

97525977 is a deficient number, since it is larger than the sum of its proper divisors (32508663).

97525977 is a wasteful number, since it uses less digits than its factorization.

97525977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32508662.

The product of its digits is 1389150, while the sum is 51.

The square root of 97525977 is about 9875.5241379888. The cubic root of 97525977 is about 460.2990761453.

The spelling of 97525977 in words is "ninety-seven million, five hundred twenty-five thousand, nine hundred seventy-seven".