97317493 has 16 divisors (see below), whose sum is σ = 121300480. Its totient is φ = 76018176.

The previous prime is 97317461. The next prime is 97317497. The reversal of 97317493 is 39471379.

It is not a de Polignac number, because 97317493 - 2⁵ = 97317461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97317497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421 + ... + 13957.

It is an arithmetic number, because the mean of its divisors is an integer number (7581280).

Almost surely, 2^97317493 is an apocalyptic number.

It is an amenable number.

97317493 is a deficient number, since it is larger than the sum of its proper divisors (23982987).

97317493 is a wasteful number, since it uses less digits than its factorization.

97317493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13636.

The product of its digits is 142884, while the sum is 43.

The square root of 97317493 is about 9864.9628990686. The cubic root of 97317493 is about 459.9708440878.

The spelling of 97317493 in words is "ninety-seven million, three hundred seventeen thousand, four hundred ninety-three".