97575431 has 8 divisors (see below), whose sum is σ = 104897280. Its totient is φ = 90472248.

The previous prime is 97575421. The next prime is 97575437. The reversal of 97575431 is 13457579.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97575431 is a prime.

It is a super-2 number, since 2×97575431² = 19041929469671522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97575437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53741 + ... + 55526.

It is an arithmetic number, because the mean of its divisors is an integer number (13112160).

Almost surely, 2^97575431 is an apocalyptic number.

97575431 is a deficient number, since it is larger than the sum of its proper divisors (7321849).

97575431 is a wasteful number, since it uses less digits than its factorization.

97575431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109333.

The product of its digits is 132300, while the sum is 41.

The square root of 97575431 is about 9878.0276877522. The cubic root of 97575431 is about 460.3768666465.

The spelling of 97575431 in words is "ninety-seven million, five hundred seventy-five thousand, four hundred thirty-one".