625699963 has 12 divisors (see below), whose sum is σ = 766164360. Its totient is φ = 508086432.

The previous prime is 625699951. The next prime is 625700083. The reversal of 625699963 is 369996526.

It is not a de Polignac number, because 625699963 - 2⁵ = 625699931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (625699903) 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 in 11 ways as a sum of consecutive naturals, for example, 335106 + ... + 336967.

It is an arithmetic number, because the mean of its divisors is an integer number (63847030).

Almost surely, 2^625699963 is an apocalyptic number.

625699963 is a deficient number, since it is larger than the sum of its proper divisors (140464397).

625699963 is a wasteful number, since it uses less digits than its factorization.

625699963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672106 (or 672099 counting only the distinct ones).

The product of its digits is 4723920, while the sum is 55.

The square root of 625699963 is about 25013.9953426077. The cubic root of 625699963 is about 855.3070328970.

The spelling of 625699963 in words is "six hundred twenty-five million, six hundred ninety-nine thousand, nine hundred sixty-three".