2570450657 has 4 divisors (see below), whose sum is σ = 2618949780. Its totient is φ = 2521951536.

The previous prime is 2570450651. The next prime is 2570450671. The reversal of 2570450657 is 7560540752.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 733813921 + 1836636736 = 27089^2 + 42856^2 .

It is a cyclic number.

It is not a de Polignac number, because 2570450657 - 2⁸ = 2570450401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2570450651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24249482 + ... + 24249587.

It is an arithmetic number, because the mean of its divisors is an integer number (654737445).

Almost surely, 2^2570450657 is an apocalyptic number.

It is an amenable number.

2570450657 is a deficient number, since it is larger than the sum of its proper divisors (48499123).

2570450657 is an equidigital number, since it uses as much as digits as its factorization.

2570450657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48499122.

The product of its (nonzero) digits is 294000, while the sum is 41.

The square root of 2570450657 is about 50699.6120004877. The cubic root of 2570450657 is about 1369.8397271083.

The spelling of 2570450657 in words is "two billion, five hundred seventy million, four hundred fifty thousand, six hundred fifty-seven".