253274028 has 96 divisors (see below), whose sum is σ = 730329600. Its totient is φ = 66686976.

The previous prime is 253274017. The next prime is 253274051. The reversal of 253274028 is 820472352.

It is a self number, because there is not a number n which added to its sum of digits gives 253274028.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56908 + ... + 61196.

It is an arithmetic number, because the mean of its divisors is an integer number (7607600).

Almost surely, 2^253274028 is an apocalyptic number.

253274028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253274028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365164800).

253274028 is an abundant number, since it is smaller than the sum of its proper divisors (477055572).

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

253274028 is a wasteful number, since it uses less digits than its factorization.

253274028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359 (or 4357 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 253274028 is about 15914.5853857397. The cubic root of 253274028 is about 632.6986179131.

The spelling of 253274028 in words is "two hundred fifty-three million, two hundred seventy-four thousand, twenty-eight".