625895957 has 2 divisors, whose sum is σ = 625895958. Its totient is φ = 625895956.

The previous prime is 625895939. The next prime is 625895969. The reversal of 625895957 is 759598526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 485497156 + 140398801 = 22034^2 + 11849^2 .

It is a cyclic number.

It is not a de Polignac number, because 625895957 - 2¹⁶ = 625830421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625895857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312947978 + 312947979.

It is an arithmetic number, because the mean of its divisors is an integer number (312947979).

Almost surely, 2^625895957 is an apocalyptic number.

It is an amenable number.

625895957 is a deficient number, since it is larger than the sum of its proper divisors (1).

625895957 is an equidigital number, since it uses as much as digits as its factorization.

625895957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804000, while the sum is 56.

The square root of 625895957 is about 25017.9127226873. The cubic root of 625895957 is about 855.3963289154.

The spelling of 625895957 in words is "six hundred twenty-five million, eight hundred ninety-five thousand, nine hundred fifty-seven".