117052591 has 2 divisors, whose sum is σ = 117052592. Its totient is φ = 117052590.

The previous prime is 117052583. The next prime is 117052601. The reversal of 117052591 is 195250711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117052591 - 2³ = 117052583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117052501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58526295 + 58526296.

It is an arithmetic number, because the mean of its divisors is an integer number (58526296).

Almost surely, 2^117052591 is an apocalyptic number.

117052591 is a deficient number, since it is larger than the sum of its proper divisors (1).

117052591 is an equidigital number, since it uses as much as digits as its factorization.

117052591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 31.

The square root of 117052591 is about 10819.0845731051. The cubic root of 117052591 is about 489.1705960593.

The spelling of 117052591 in words is "one hundred seventeen million, fifty-two thousand, five hundred ninety-one".