97518825 has 36 divisors (see below), whose sum is σ = 175804720. Its totient is φ = 51671520.

The previous prime is 97518821. The next prime is 97518829. The reversal of 97518825 is 52881579.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (97518821) and next prime (97518829).

It is not a de Polignac number, because 97518825 - 2² = 97518821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (97518821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 35346 + ... + 38004.

Almost surely, 2^97518825 is an apocalyptic number.

It is an amenable number.

97518825 is a deficient number, since it is larger than the sum of its proper divisors (78285895).

97518825 is a wasteful number, since it uses less digits than its factorization.

97518825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838 (or 2830 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 97518825 is about 9875.1620239873. The cubic root of 97518825 is about 460.2878239655.

The spelling of 97518825 in words is "ninety-seven million, five hundred eighteen thousand, eight hundred twenty-five".