253105872 has 40 divisors (see below), whose sum is σ = 655838976. Its totient is φ = 84112896.

The previous prime is 253105829. The next prime is 253105873. The reversal of 253105872 is 278501352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253105873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8353 + ... + 23999.

Almost surely, 2^253105872 is an apocalyptic number.

It is an amenable number.

253105872 is an abundant number, since it is smaller than the sum of its proper divisors (402733104).

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

253105872 is a wasteful number, since it uses less digits than its factorization.

253105872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15995 (or 15989 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 253105872 is about 15909.3014302954. The cubic root of 253105872 is about 632.5585645700.

The spelling of 253105872 in words is "two hundred fifty-three million, one hundred five thousand, eight hundred seventy-two".