2570525257 has 8 divisors (see below), whose sum is σ = 2720768960. Its totient is φ = 2421776880.

The previous prime is 2570525249. The next prime is 2570525261. The reversal of 2570525257 is 7525250752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2570525257 - 2³ = 2570525249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2570525227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370293 + ... + 377170.

It is an arithmetic number, because the mean of its divisors is an integer number (340096120).

Almost surely, 2^2570525257 is an apocalyptic number.

It is an amenable number.

2570525257 is a deficient number, since it is larger than the sum of its proper divisors (150243703).

2570525257 is a wasteful number, since it uses less digits than its factorization.

2570525257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747663.

The product of its (nonzero) digits is 245000, while the sum is 40.

The square root of 2570525257 is about 50700.3477009774. The cubic root of 2570525257 is about 1369.8529788773.

The spelling of 2570525257 in words is "two billion, five hundred seventy million, five hundred twenty-five thousand, two hundred fifty-seven".