253228792 has 32 divisors (see below), whose sum is σ = 487781280. Its totient is φ = 123171840.

The previous prime is 253228769. The next prime is 253228817. The reversal of 253228792 is 297822352.

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

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 141133 + ... + 142915.

It is an arithmetic number, because the mean of its divisors is an integer number (15243165).

Almost surely, 2^253228792 is an apocalyptic number.

It is an amenable number.

253228792 is a deficient number, since it is larger than the sum of its proper divisors (234552488).

253228792 is a wasteful number, since it uses less digits than its factorization.

253228792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263 (or 2259 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 253228792 is about 15913.1641102579. The cubic root of 253228792 is about 632.6609479646.

The spelling of 253228792 in words is "two hundred fifty-three million, two hundred twenty-eight thousand, seven hundred ninety-two".