625354867 has 2 divisors, whose sum is σ = 625354868. Its totient is φ = 625354866.

The previous prime is 625354823. The next prime is 625354883. The reversal of 625354867 is 768453526.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625354867 - 2⁷ = 625354739 is a prime.

It is not a weakly prime, because it can be changed into another prime (625354817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312677433 + 312677434.

It is an arithmetic number, because the mean of its divisors is an integer number (312677434).

Almost surely, 2^625354867 is an apocalyptic number.

625354867 is a deficient number, since it is larger than the sum of its proper divisors (1).

625354867 is an equidigital number, since it uses as much as digits as its factorization.

625354867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 46.

The square root of 625354867 is about 25007.0963328412. The cubic root of 625354867 is about 855.1497597979.

The spelling of 625354867 in words is "six hundred twenty-five million, three hundred fifty-four thousand, eight hundred sixty-seven".