625264263 has 12 divisors (see below), whose sum is σ = 972633480. Its totient is φ = 384777936.

The previous prime is 625264259. The next prime is 625264271. The reversal of 625264263 is 362462526.

625264263 is a `hidden beast` number, since 6 + 2 + 5 + 2 + 642 + 6 + 3 = 666.

It is not a de Polignac number, because 625264263 - 2² = 625264259 is a prime.

It is a super-3 number, since 3×625264263³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625264243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2671953 + ... + 2672186.

It is an arithmetic number, because the mean of its divisors is an integer number (81052790).

Almost surely, 2^625264263 is an apocalyptic number.

625264263 is a deficient number, since it is larger than the sum of its proper divisors (347369217).

625264263 is a wasteful number, since it uses less digits than its factorization.

625264263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5344158 (or 5344155 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 625264263 is about 25005.2847014386. The cubic root of 625264263 is about 855.1084585917.

The spelling of 625264263 in words is "six hundred twenty-five million, two hundred sixty-four thousand, two hundred sixty-three".