97539525 has 48 divisors (see below), whose sum is σ = 181446720. Its totient is φ = 51364800.

The previous prime is 97539509. The next prime is 97539539. The reversal of 97539525 is 52593579.

97539525 is a `hidden beast` number, since 97 + 5 + 39 + 525 = 666.

It is not a de Polignac number, because 97539525 - 2⁴ = 97539509 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55155 + ... + 56895.

It is an arithmetic number, because the mean of its divisors is an integer number (3780140).

Almost surely, 2^97539525 is an apocalyptic number.

It is an amenable number.

97539525 is a deficient number, since it is larger than the sum of its proper divisors (83907195).

97539525 is a wasteful number, since it uses less digits than its factorization.

97539525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843 (or 1832 counting only the distinct ones).

The product of its digits is 425250, while the sum is 45.

The square root of 97539525 is about 9876.2100524442. The cubic root of 97539525 is about 460.3203895886.

The spelling of 97539525 in words is "ninety-seven million, five hundred thirty-nine thousand, five hundred twenty-five".