253012172 has 24 divisors (see below), whose sum is σ = 517794816. Its totient is φ = 105911568.

The previous prime is 253012099. The next prime is 253012183. The reversal of 253012172 is 271210352.

It is a happy number.

253012172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 103868 + ... + 106275.

It is an arithmetic number, because the mean of its divisors is an integer number (21574784).

Almost surely, 2^253012172 is an apocalyptic number.

It is an amenable number.

253012172 is an abundant number, since it is smaller than the sum of its proper divisors (264782644).

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

253012172 is a wasteful number, since it uses less digits than its factorization.

253012172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210197 (or 210195 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 253012172 is about 15906.3563395267. The cubic root of 253012172 is about 632.4804970370.

The spelling of 253012172 in words is "two hundred fifty-three million, twelve thousand, one hundred seventy-two".