253280 has 24 divisors (see below), whose sum is σ = 598752. Its totient is φ = 101248.

The previous prime is 253273. The next prime is 253307. The reversal of 253280 is 82352.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253280.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632 + ... + 951.

It is an arithmetic number, because the mean of its divisors is an integer number (24948).

2²⁵³²⁸⁰ is an apocalyptic number.

253280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253280 is an abundant number, since it is smaller than the sum of its proper divisors (345472).

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

253280 is a wasteful number, since it uses less digits than its factorization.

253280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 253280 is about 503.2693116017. The cubic root of 253280 is about 63.2703590717.

The spelling of 253280 in words is "two hundred fifty-three thousand, two hundred eighty".