625213404 has 30 divisors (see below), whose sum is σ = 1634432184. Its totient is φ = 208404360.

The previous prime is 625213367. The next prime is 625213423. The reversal of 625213404 is 404312526.

625213404 is a `hidden beast` number, since 6 + 252 + 1 + 3 + 404 = 666.

625213404 is nontrivially palindromic in base 11.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 964512 + ... + 965159.

Almost surely, 2^625213404 is an apocalyptic number.

It is an amenable number.

625213404 is an abundant number, since it is smaller than the sum of its proper divisors (1009218780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625213404 is a wasteful number, since it uses less digits than its factorization.

625213404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929687 (or 1929676 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 625213404 is about 25004.2677157320. The cubic root of 625213404 is about 855.0852731201.

The spelling of 625213404 in words is "six hundred twenty-five million, two hundred thirteen thousand, four hundred four".