2057525252557 has 2 divisors, whose sum is σ = 2057525252558. Its totient is φ = 2057525252556.

The previous prime is 2057525252543. The next prime is 2057525252561. The reversal of 2057525252557 is 7552525257502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1309877961001 + 747647291556 = 1144499^2 + 864666^2 .

It is a cyclic number.

It is not a de Polignac number, because 2057525252557 - 2⁷ = 2057525252429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2057565252557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028762626278 + 1028762626279.

It is an arithmetic number, because the mean of its divisors is an integer number (1028762626279).

Almost surely, 2^{2057525252557} is an apocalyptic number.

It is an amenable number.

2057525252557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2057525252557 is an equidigital number, since it uses as much as digits as its factorization.

2057525252557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12250000, while the sum is 52.

The spelling of 2057525252557 in words is "two trillion, fifty-seven billion, five hundred twenty-five million, two hundred fifty-two thousand, five hundred fifty-seven".