625537812 has 12 divisors (see below), whose sum is σ = 1459588256. Its totient is φ = 208512600.

The previous prime is 625537793. The next prime is 625537841. The reversal of 625537812 is 218735526.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26064064 + ... + 26064087.

Almost surely, 2^625537812 is an apocalyptic number.

It is an amenable number.

625537812 is an abundant number, since it is smaller than the sum of its proper divisors (834050444).

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

625537812 is a wasteful number, since it uses less digits than its factorization.

625537812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52128158 (or 52128156 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 625537812 is about 25010.7539270611. The cubic root of 625537812 is about 855.2331418517.

The spelling of 625537812 in words is "six hundred twenty-five million, five hundred thirty-seven thousand, eight hundred twelve".