625965947 has 2 divisors, whose sum is σ = 625965948. Its totient is φ = 625965946.

The previous prime is 625965941. The next prime is 625965973. The reversal of 625965947 is 749569526.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 625965947 - 2⁴ = 625965931 is a prime.

It is not a weakly prime, because it can be changed into another prime (625965941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312982973 + 312982974.

It is an arithmetic number, because the mean of its divisors is an integer number (312982974).

Almost surely, 2^625965947 is an apocalyptic number.

625965947 is a deficient number, since it is larger than the sum of its proper divisors (1).

625965947 is an equidigital number, since it uses as much as digits as its factorization.

625965947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 53.

The square root of 625965947 is about 25019.3114813338. The cubic root of 625965947 is about 855.4282122537.

The spelling of 625965947 in words is "six hundred twenty-five million, nine hundred sixty-five thousand, nine hundred forty-seven".