97231575 has 48 divisors (see below), whose sum is σ = 184988160. Its totient is φ = 44142720.

The previous prime is 97231567. The next prime is 97231613. The reversal of 97231575 is 57513279.

It is not a de Polignac number, because 97231575 - 2³ = 97231567 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87121 + ... + 88229.

It is an arithmetic number, because the mean of its divisors is an integer number (3853920).

Almost surely, 2^97231575 is an apocalyptic number.

97231575 is a deficient number, since it is larger than the sum of its proper divisors (87756585).

97231575 is a wasteful number, since it uses less digits than its factorization.

97231575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296 (or 1291 counting only the distinct ones).

The product of its digits is 66150, while the sum is 39.

The square root of 97231575 is about 9860.6072328229. The cubic root of 97231575 is about 459.8354405077.

The spelling of 97231575 in words is "ninety-seven million, two hundred thirty-one thousand, five hundred seventy-five".