2258162591 has 2 divisors, whose sum is σ = 2258162592. Its totient is φ = 2258162590.

The previous prime is 2258162567. The next prime is 2258162639. The reversal of 2258162591 is 1952618522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2258162591 - 2²² = 2253968287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2258162551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129081295 + 1129081296.

It is an arithmetic number, because the mean of its divisors is an integer number (1129081296).

Almost surely, 2^2258162591 is an apocalyptic number.

2258162591 is a deficient number, since it is larger than the sum of its proper divisors (1).

2258162591 is an equidigital number, since it uses as much as digits as its factorization.

2258162591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 41.

The square root of 2258162591 is about 47520.1282721333. The cubic root of 2258162591 is about 1311.9533803132.

The spelling of 2258162591 in words is "two billion, two hundred fifty-eight million, one hundred sixty-two thousand, five hundred ninety-one".