253172372 has 6 divisors (see below), whose sum is σ = 443051658. Its totient is φ = 126586184.

The previous prime is 253172371. The next prime is 253172393. The reversal of 253172372 is 273271352.

253172372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 134884996 + 118287376 = 11614^2 + 10876^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253172371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31646543 + ... + 31646550.

It is an arithmetic number, because the mean of its divisors is an integer number (73841943).

Almost surely, 2^253172372 is an apocalyptic number.

It is an amenable number.

253172372 is a deficient number, since it is larger than the sum of its proper divisors (189879286).

253172372 is a wasteful number, since it uses less digits than its factorization.

253172372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63293097 (or 63293095 counting only the distinct ones).

The product of its digits is 17640, while the sum is 32.

The square root of 253172372 is about 15911.3912653797. The cubic root of 253172372 is about 632.6139583343.

The spelling of 253172372 in words is "two hundred fifty-three million, one hundred seventy-two thousand, three hundred seventy-two".