97304531 has 4 divisors (see below), whose sum is σ = 97329864. Its totient is φ = 97279200.

The previous prime is 97304527. The next prime is 97304593. The reversal of 97304531 is 13540379.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97304531 - 2² = 97304527 is a prime.

It is a super-2 number, since 2×97304531² = 18936343506259922, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (97304731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5585 + ... + 15026.

It is an arithmetic number, because the mean of its divisors is an integer number (24332466).

Almost surely, 2^97304531 is an apocalyptic number.

97304531 is a deficient number, since it is larger than the sum of its proper divisors (25333).

97304531 is a wasteful number, since it uses less digits than its factorization.

97304531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25332.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 97304531 is about 9864.3059056378. The cubic root of 97304531 is about 459.9504215628.

The spelling of 97304531 in words is "ninety-seven million, three hundred four thousand, five hundred thirty-one".