97618825 has 6 divisors (see below), whose sum is σ = 121047374. Its totient is φ = 78095040.

The previous prime is 97618817. The next prime is 97618889. The reversal of 97618825 is 52881679.

It can be written as a sum of positive squares in 3 ways, for example, as 2595321 + 95023504 = 1611^2 + 9748^2 .

It is not a de Polignac number, because 97618825 - 2³ = 97618817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1952352 + ... + 1952401.

Almost surely, 2^97618825 is an apocalyptic number.

It is an amenable number.

97618825 is a deficient number, since it is larger than the sum of its proper divisors (23428549).

97618825 is a wasteful number, since it uses less digits than its factorization.

97618825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904763 (or 3904758 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The square root of 97618825 is about 9880.2239347092. The cubic root of 97618825 is about 460.4451031987.

The spelling of 97618825 in words is "ninety-seven million, six hundred eighteen thousand, eight hundred twenty-five".