253465272 has 24 divisors (see below), whose sum is σ = 686468640. Its totient is φ = 84488400.

The previous prime is 253465237. The next prime is 253465279. The reversal of 253465272 is 272564352.

253465272 is a `hidden beast` number, since 2 + 534 + 6 + 52 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×253465272² = 128489288220067968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253465279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1760104 + ... + 1760247.

It is an arithmetic number, because the mean of its divisors is an integer number (28602860).

Almost surely, 2^253465272 is an apocalyptic number.

It is an amenable number.

253465272 is an abundant number, since it is smaller than the sum of its proper divisors (433003368).

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

253465272 is a wasteful number, since it uses less digits than its factorization.

253465272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520363 (or 3520356 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 253465272 is about 15920.5927025347. The cubic root of 253465272 is about 632.8578254101.

The spelling of 253465272 in words is "two hundred fifty-three million, four hundred sixty-five thousand, two hundred seventy-two".