97315500 has 48 divisors (see below), whose sum is σ = 283387104. Its totient is φ = 25950400.

The previous prime is 97315499. The next prime is 97315529. The reversal of 97315500 is 551379.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30939 + ... + 33938.

It is an arithmetic number, because the mean of its divisors is an integer number (5903898).

Almost surely, 2^97315500 is an apocalyptic number.

It is an amenable number.

97315500 is an abundant number, since it is smaller than the sum of its proper divisors (186071604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97315500 is a wasteful number, since it uses less digits than its factorization.

97315500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64899 (or 64887 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 30.

The square root of 97315500 is about 9864.8618844868. The cubic root of 97315500 is about 459.9677040968.

Adding to 97315500 its reverse (551379), we get a palindrome (97866879).

The spelling of 97315500 in words is "ninety-seven million, three hundred fifteen thousand, five hundred".