2525036257 has 4 divisors (see below), whose sum is σ = 2566430356. Its totient is φ = 2483642160.

The previous prime is 2525036243. The next prime is 2525036281. The reversal of 2525036257 is 7526305252.

2525036257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 867243601 + 1657792656 = 29449^2 + 40716^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2525036257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525036237) 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, 20696958 + ... + 20697079.

It is an arithmetic number, because the mean of its divisors is an integer number (641607589).

Almost surely, 2^2525036257 is an apocalyptic number.

It is an amenable number.

2525036257 is a deficient number, since it is larger than the sum of its proper divisors (41394099).

2525036257 is an equidigital number, since it uses as much as digits as its factorization.

2525036257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41394098.

The product of its (nonzero) digits is 126000, while the sum is 37.

The square root of 2525036257 is about 50249.7388749434. The cubic root of 2525036257 is about 1361.7243584831.

The spelling of 2525036257 in words is "two billion, five hundred twenty-five million, thirty-six thousand, two hundred fifty-seven".