2500022957 has 2 divisors, whose sum is σ = 2500022958. Its totient is φ = 2500022956.

The previous prime is 2500022953. The next prime is 2500022971. The reversal of 2500022957 is 7592200052.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2418770761 + 81252196 = 49181^2 + 9014^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500022957 - 2² = 2500022953 is a prime.

It is a super-2 number, since 2×2500022957² = 12500229571054047698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2500022951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250011478 + 1250011479.

It is an arithmetic number, because the mean of its divisors is an integer number (1250011479).

Almost surely, 2^2500022957 is an apocalyptic number.

It is an amenable number.

2500022957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500022957 is an equidigital number, since it uses as much as digits as its factorization.

2500022957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 2500022957 is about 50000.2295694730. The cubic root of 2500022957 is about 1357.2129626104.

The spelling of 2500022957 in words is "two billion, five hundred million, twenty-two thousand, nine hundred fifty-seven".