97518417 has 4 divisors (see below), whose sum is σ = 130024560. Its totient is φ = 65012276.

The previous prime is 97518403. The next prime is 97518419. The reversal of 97518417 is 71481579.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97518417 - 2⁶ = 97518353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97518419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16253067 + ... + 16253072.

It is an arithmetic number, because the mean of its divisors is an integer number (32506140).

Almost surely, 2^97518417 is an apocalyptic number.

It is an amenable number.

97518417 is a deficient number, since it is larger than the sum of its proper divisors (32506143).

97518417 is a wasteful number, since it uses less digits than its factorization.

97518417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32506142.

The product of its digits is 70560, while the sum is 42.

The square root of 97518417 is about 9875.1413660767. The cubic root of 97518417 is about 460.2871820461.

The spelling of 97518417 in words is "ninety-seven million, five hundred eighteen thousand, four hundred seventeen".