2525250257 has 2 divisors, whose sum is σ = 2525250258. Its totient is φ = 2525250256.

The previous prime is 2525250251. The next prime is 2525250269. The reversal of 2525250257 is 7520525252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2385443281 + 139806976 = 48841^2 + 11824^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525250257 - 2⁴ = 2525250241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2525250251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262625128 + 1262625129.

It is an arithmetic number, because the mean of its divisors is an integer number (1262625129).

Almost surely, 2^2525250257 is an apocalyptic number.

It is an amenable number.

2525250257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525250257 is an equidigital number, since it uses as much as digits as its factorization.

2525250257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70000, while the sum is 35.

The square root of 2525250257 is about 50251.8681941279. The cubic root of 2525250257 is about 1361.7628266807.

The spelling of 2525250257 in words is "two billion, five hundred twenty-five million, two hundred fifty thousand, two hundred fifty-seven".