625271172 has 12 divisors (see below), whose sum is σ = 1458966096. Its totient is φ = 208423720.

The previous prime is 625271159. The next prime is 625271189. The reversal of 625271172 is 271172526.

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

It is a super-3 number, since 3×625271172³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26052954 + ... + 26052977.

It is an arithmetic number, because the mean of its divisors is an integer number (121580508).

Almost surely, 2^625271172 is an apocalyptic number.

It is an amenable number.

625271172 is an abundant number, since it is smaller than the sum of its proper divisors (833694924).

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

625271172 is a wasteful number, since it uses less digits than its factorization.

625271172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52105938 (or 52105936 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 625271172 is about 25005.4228518536. The cubic root of 625271172 is about 855.1116081520. Note that the first 3 decimals are identical.

The spelling of 625271172 in words is "six hundred twenty-five million, two hundred seventy-one thousand, one hundred seventy-two".