118516597 has 2 divisors, whose sum is σ = 118516598. Its totient is φ = 118516596.

The previous prime is 118516553. The next prime is 118516603. The reversal of 118516597 is 795615811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117809316 + 707281 = 10854^2 + 841^2 .

It is an emirp because it is prime and its reverse (795615811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118516597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118516397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59258298 + 59258299.

It is an arithmetic number, because the mean of its divisors is an integer number (59258299).

Almost surely, 2^118516597 is an apocalyptic number.

It is an amenable number.

118516597 is a deficient number, since it is larger than the sum of its proper divisors (1).

118516597 is an equidigital number, since it uses as much as digits as its factorization.

118516597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 43.

The square root of 118516597 is about 10886.5328273055. The cubic root of 118516597 is about 491.2015452038.

The spelling of 118516597 in words is "one hundred eighteen million, five hundred sixteen thousand, five hundred ninety-seven".