97485531 has 32 divisors (see below), whose sum is σ = 161699328. Its totient is φ = 51325440.

The previous prime is 97485517. The next prime is 97485541. The reversal of 97485531 is 13558479.

It is not a de Polignac number, because 97485531 - 2⁹ = 97485019 is a prime.

It is a super-2 number, since 2×97485531² = 19006857508703922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97485511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610 + ... + 13976.

It is an arithmetic number, because the mean of its divisors is an integer number (5053104).

Almost surely, 2^97485531 is an apocalyptic number.

97485531 is a deficient number, since it is larger than the sum of its proper divisors (64213797).

97485531 is a wasteful number, since it uses less digits than its factorization.

97485531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13411.

The product of its digits is 151200, while the sum is 42.

The square root of 97485531 is about 9873.4761355867. The cubic root of 97485531 is about 460.2354355603.

The spelling of 97485531 in words is "ninety-seven million, four hundred eighty-five thousand, five hundred thirty-one".