253745900 has 18 divisors (see below), whose sum is σ = 550628820. Its totient is φ = 101498320.

The previous prime is 253745897. The next prime is 253745917. The reversal of 253745900 is 9547352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1268630 + ... + 1268829.

It is an arithmetic number, because the mean of its divisors is an integer number (30590490).

Almost surely, 2^253745900 is an apocalyptic number.

253745900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253745900 is an abundant number, since it is smaller than the sum of its proper divisors (296882920).

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

253745900 is a wasteful number, since it uses less digits than its factorization.

253745900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537473 (or 2537466 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 253745900 is about 15929.4036297659. The cubic root of 253745900 is about 633.0912987131.

The spelling of 253745900 in words is "two hundred fifty-three million, seven hundred forty-five thousand, nine hundred".