253251460 has 48 divisors (see below), whose sum is σ = 663062400. Its totient is φ = 78935040.

The previous prime is 253251451. The next prime is 253251517. The reversal of 253251460 is 64152352.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 15 ways as a sum of consecutive naturals, for example, 80685 + ... + 83764.

It is an arithmetic number, because the mean of its divisors is an integer number (13813800).

Almost surely, 2^253251460 is an apocalyptic number.

253251460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253251460 is an abundant number, since it is smaller than the sum of its proper divisors (409810940).

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

253251460 is a wasteful number, since it uses less digits than its factorization.

253251460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164476 (or 164474 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 253251460 is about 15913.8763348218. The cubic root of 253251460 is about 632.6798251367.

The spelling of 253251460 in words is "two hundred fifty-three million, two hundred fifty-one thousand, four hundred sixty".