625362643 has 2 divisors, whose sum is σ = 625362644. Its totient is φ = 625362642.

The previous prime is 625362623. The next prime is 625362707. The reversal of 625362643 is 346263526.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 625362643 - 2⁵ = 625362611 is a prime.

It is not a weakly prime, because it can be changed into another prime (625362623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312681321 + 312681322.

It is an arithmetic number, because the mean of its divisors is an integer number (312681322).

Almost surely, 2^625362643 is an apocalyptic number.

625362643 is a deficient number, since it is larger than the sum of its proper divisors (1).

625362643 is an equidigital number, since it uses as much as digits as its factorization.

625362643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 37.

The square root of 625362643 is about 25007.2518082255. The cubic root of 625362643 is about 855.1533042478.

The spelling of 625362643 in words is "six hundred twenty-five million, three hundred sixty-two thousand, six hundred forty-three".