625818967 has 2 divisors, whose sum is σ = 625818968. Its totient is φ = 625818966.

The previous prime is 625818931. The next prime is 625818971. The reversal of 625818967 is 769818526.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625818967 - 2⁷ = 625818839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625818997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312909483 + 312909484.

It is an arithmetic number, because the mean of its divisors is an integer number (312909484).

Almost surely, 2^625818967 is an apocalyptic number.

625818967 is a deficient number, since it is larger than the sum of its proper divisors (1).

625818967 is an equidigital number, since it uses as much as digits as its factorization.

625818967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 52.

The square root of 625818967 is about 25016.3739778570. The cubic root of 625818967 is about 855.3612540423.

The spelling of 625818967 in words is "six hundred twenty-five million, eight hundred eighteen thousand, nine hundred sixty-seven".