625315567 has 2 divisors, whose sum is σ = 625315568. Its totient is φ = 625315566.

The previous prime is 625315549. The next prime is 625315633. The reversal of 625315567 is 765513526.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625315567 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625315667) 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, 312657783 + 312657784.

It is an arithmetic number, because the mean of its divisors is an integer number (312657784).

Almost surely, 2^625315567 is an apocalyptic number.

625315567 is a deficient number, since it is larger than the sum of its proper divisors (1).

625315567 is an equidigital number, since it uses as much as digits as its factorization.

625315567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 40.

The square root of 625315567 is about 25006.3105435408. The cubic root of 625315567 is about 855.1318456549.

The spelling of 625315567 in words is "six hundred twenty-five million, three hundred fifteen thousand, five hundred sixty-seven".