2257670251 has 2 divisors, whose sum is σ = 2257670252. Its totient is φ = 2257670250.

The previous prime is 2257670171. The next prime is 2257670281. The reversal of 2257670251 is 1520767522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2257670251 - 2¹⁵ = 2257637483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2257670251.

It is not a weakly prime, because it can be changed into another prime (2257670281) 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, 1128835125 + 1128835126.

It is an arithmetic number, because the mean of its divisors is an integer number (1128835126).

Almost surely, 2^2257670251 is an apocalyptic number.

2257670251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257670251 is an equidigital number, since it uses as much as digits as its factorization.

2257670251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 2257670251 is about 47514.9476586053. The cubic root of 2257670251 is about 1311.8580263768.

The spelling of 2257670251 in words is "two billion, two hundred fifty-seven million, six hundred seventy thousand, two hundred fifty-one".