97326531 has 12 divisors (see below), whose sum is σ = 147982120. Its totient is φ = 61469280.

The previous prime is 97326521. The next prime is 97326589. The reversal of 97326531 is 13562379.

97326531 is a `hidden beast` number, since 97 + 32 + 6 + 531 = 666.

It is not a de Polignac number, because 97326531 - 2⁷ = 97326403 is a prime.

It is a super-2 number, since 2×97326531² = 18944907272987922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97326521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284410 + ... + 284751.

Almost surely, 2^97326531 is an apocalyptic number.

97326531 is a deficient number, since it is larger than the sum of its proper divisors (50655589).

97326531 is a wasteful number, since it uses less digits than its factorization.

97326531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569186 (or 569183 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 97326531 is about 9865.4209742920. The cubic root of 97326531 is about 459.9850830071.

The spelling of 97326531 in words is "ninety-seven million, three hundred twenty-six thousand, five hundred thirty-one".