253905772 has 24 divisors (see below), whose sum is σ = 450394560. Its totient is φ = 125233680.

The previous prime is 253905749. The next prime is 253905781. The reversal of 253905772 is 277509352.

253905772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 92443 + ... + 95149.

It is an arithmetic number, because the mean of its divisors is an integer number (18766440).

Almost surely, 2^253905772 is an apocalyptic number.

It is an amenable number.

253905772 is a deficient number, since it is larger than the sum of its proper divisors (196488788).

253905772 is a wasteful number, since it uses less digits than its factorization.

253905772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021 (or 3019 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 253905772 is about 15934.4209810084. The cubic root of 253905772 is about 633.2242300210.

The spelling of 253905772 in words is "two hundred fifty-three million, nine hundred five thousand, seven hundred seventy-two".