5257615591 has 2 divisors, whose sum is σ = 5257615592. Its totient is φ = 5257615590.

The previous prime is 5257615579. The next prime is 5257615651. The reversal of 5257615591 is 1955167525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5257615591 - 2⁷ = 5257615463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5257615691) 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, 2628807795 + 2628807796.

It is an arithmetic number, because the mean of its divisors is an integer number (2628807796).

Almost surely, 2^5257615591 is an apocalyptic number.

5257615591 is a deficient number, since it is larger than the sum of its proper divisors (1).

5257615591 is an equidigital number, since it uses as much as digits as its factorization.

5257615591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472500, while the sum is 46.

The square root of 5257615591 is about 72509.4172573466. The cubic root of 5257615591 is about 1738.8532972859.

The spelling of 5257615591 in words is "five billion, two hundred fifty-seven million, six hundred fifteen thousand, five hundred ninety-one".