2257071587 has 2 divisors, whose sum is σ = 2257071588. Its totient is φ = 2257071586.

The previous prime is 2257071547. The next prime is 2257071599. The reversal of 2257071587 is 7851707522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2257071587 - 2¹⁶ = 2257006051 is a prime.

It is not a weakly prime, because it can be changed into another prime (2257071547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128535793 + 1128535794.

It is an arithmetic number, because the mean of its divisors is an integer number (1128535794).

Almost surely, 2^2257071587 is an apocalyptic number.

2257071587 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257071587 is an equidigital number, since it uses as much as digits as its factorization.

2257071587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 274400, while the sum is 44.

The square root of 2257071587 is about 47508.6474970610. The cubic root of 2257071587 is about 1311.7420614640.

The spelling of 2257071587 in words is "two billion, two hundred fifty-seven million, seventy-one thousand, five hundred eighty-seven".