97524813 has 8 divisors (see below), whose sum is σ = 130617088. Its totient is φ = 64724544.

The previous prime is 97524809. The next prime is 97524841. The reversal of 97524813 is 31842579.

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

It is not a de Polignac number, because 97524813 - 2² = 97524809 is a prime.

It is a super-2 number, since 2×97524813² = 19022178301369938, 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 (97524113) 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, 72220 + ... + 73557.

It is an arithmetic number, because the mean of its divisors is an integer number (16327136).

Almost surely, 2^97524813 is an apocalyptic number.

It is an amenable number.

97524813 is a deficient number, since it is larger than the sum of its proper divisors (33092275).

97524813 is a wasteful number, since it uses less digits than its factorization.

97524813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146003.

The product of its digits is 60480, while the sum is 39.

The square root of 97524813 is about 9875.4652042322. The cubic root of 97524813 is about 460.2972448716.

The spelling of 97524813 in words is "ninety-seven million, five hundred twenty-four thousand, eight hundred thirteen".