253404252 has 36 divisors (see below), whose sum is σ = 643819176. Its totient is φ = 84036960.

The previous prime is 253404209. The next prime is 253404269. The reversal of 253404252 is 252404352.

It is a happy number.

253404252 is a `hidden beast` number, since 2 + 5 + 3 + 404 + 252 = 666.

253404252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10774 + ... + 24957.

It is an arithmetic number, because the mean of its divisors is an integer number (17883866).

Almost surely, 2^253404252 is an apocalyptic number.

It is an amenable number.

253404252 is an abundant number, since it is smaller than the sum of its proper divisors (390414924).

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

253404252 is a wasteful number, since it uses less digits than its factorization.

253404252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35938 (or 35933 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 253404252 is about 15918.6762012424. The cubic root of 253404252 is about 632.8070359620.

It can be divided in two parts, 25340 and 4252, that added together give a palindrome (29592).

The spelling of 253404252 in words is "two hundred fifty-three million, four hundred four thousand, two hundred fifty-two".