253128830 has 32 divisors (see below), whose sum is σ = 484133760. Its totient is φ = 95018400.

The previous prime is 253128829. The next prime is 253128923. The reversal of 253128830 is 38821352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14105 + ... + 26555.

It is an arithmetic number, because the mean of its divisors is an integer number (15129180).

Almost surely, 2^253128830 is an apocalyptic number.

253128830 is a deficient number, since it is larger than the sum of its proper divisors (231004930).

253128830 is a wasteful number, since it uses less digits than its factorization.

253128830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12584.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 253128830 is about 15910.0229415297. The cubic root of 253128830 is about 632.5776894265.

The spelling of 253128830 in words is "two hundred fifty-three million, one hundred twenty-eight thousand, eight hundred thirty".