252451356 has 24 divisors (see below), whose sum is σ = 591504144. Its totient is φ = 83800320.

The previous prime is 252451337. The next prime is 252451369. The reversal of 252451356 is 653154252.

252451356 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40755 + ... + 46538.

It is an arithmetic number, because the mean of its divisors is an integer number (24646006).

Almost surely, 2^252451356 is an apocalyptic number.

It is an amenable number.

252451356 is an abundant number, since it is smaller than the sum of its proper divisors (339052788).

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

252451356 is a wasteful number, since it uses less digits than its factorization.

252451356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87541 (or 87539 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 252451356 is about 15888.7178840837. The cubic root of 252451356 is about 632.0128415646.

The spelling of 252451356 in words is "two hundred fifty-two million, four hundred fifty-one thousand, three hundred fifty-six".