2257090837 has 2 divisors, whose sum is σ = 2257090838. Its totient is φ = 2257090836.

The previous prime is 2257090789. The next prime is 2257090861. The reversal of 2257090837 is 7380907522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2042497636 + 214593201 = 45194^2 + 14649^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257090837 - 2²³ = 2248702229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2257090793 and 2257090802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251090837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128545418 + 1128545419.

It is an arithmetic number, because the mean of its divisors is an integer number (1128545419).

Almost surely, 2^2257090837 is an apocalyptic number.

It is an amenable number.

2257090837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257090837 is an equidigital number, since it uses as much as digits as its factorization.

2257090837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 2257090837 is about 47508.8500913251. The cubic root of 2257090837 is about 1311.7457906269.

The spelling of 2257090837 in words is "two billion, two hundred fifty-seven million, ninety thousand, eight hundred thirty-seven".