253804780 has 24 divisors (see below), whose sum is σ = 537711552. Its totient is φ = 100622592.

The previous prime is 253804769. The next prime is 253804807. The reversal of 253804780 is 87408352.

253804780 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53892 + ... + 58411.

It is an arithmetic number, because the mean of its divisors is an integer number (22404648).

Almost surely, 2^253804780 is an apocalyptic number.

253804780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253804780 is an abundant number, since it is smaller than the sum of its proper divisors (283906772).

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

253804780 is a wasteful number, since it uses less digits than its factorization.

253804780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112425 (or 112423 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 253804780 is about 15931.2516771282. The cubic root of 253804780 is about 633.1402630942.

The spelling of 253804780 in words is "two hundred fifty-three million, eight hundred four thousand, seven hundred eighty".