253172472 has 32 divisors (see below), whose sum is σ = 723350400. Its totient is φ = 72334944.

The previous prime is 253172471. The next prime is 253172531. The reversal of 253172472 is 274271352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253172471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753322 + ... + 753657.

It is an arithmetic number, because the mean of its divisors is an integer number (22604700).

Almost surely, 2^253172472 is an apocalyptic number.

It is an amenable number.

253172472 is an abundant number, since it is smaller than the sum of its proper divisors (470177928).

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

253172472 is a wasteful number, since it uses less digits than its factorization.

253172472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506995 (or 1506991 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 253172472 is about 15911.3944077821. The cubic root of 253172472 is about 632.6140416259.

The spelling of 253172472 in words is "two hundred fifty-three million, one hundred seventy-two thousand, four hundred seventy-two".