253972788 has 24 divisors (see below), whose sum is σ = 594863808. Its totient is φ = 84334656.

The previous prime is 253972787. The next prime is 253972793. The reversal of 253972788 is 887279352.

253972788 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 253972788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253972787) 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, 37081 + ... + 43392.

It is an arithmetic number, because the mean of its divisors is an integer number (24785992).

Almost surely, 2^253972788 is an apocalyptic number.

It is an amenable number.

253972788 is an abundant number, since it is smaller than the sum of its proper divisors (340891020).

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

253972788 is a wasteful number, since it uses less digits than its factorization.

253972788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80743 (or 80741 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 253972788 is about 15936.5237112740. The cubic root of 253972788 is about 633.2799362799.

The spelling of 253972788 in words is "two hundred fifty-three million, nine hundred seventy-two thousand, seven hundred eighty-eight".