253800280 has 16 divisors (see below), whose sum is σ = 571050720. Its totient is φ = 101520096.

The previous prime is 253800269. The next prime is 253800299. The reversal of 253800280 is 82008352.

253800280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 3172464 + ... + 3172543.

It is an arithmetic number, because the mean of its divisors is an integer number (35690670).

Almost surely, 2^253800280 is an apocalyptic number.

253800280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253800280 is an abundant number, since it is smaller than the sum of its proper divisors (317250440).

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

253800280 is a wasteful number, since it uses less digits than its factorization.

253800280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6345018 (or 6345014 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 253800280 is about 15931.1104446614. The cubic root of 253800280 is about 633.1365211788.

The spelling of 253800280 in words is "two hundred fifty-three million, eight hundred thousand, two hundred eighty".