252040536 has 48 divisors (see below), whose sum is σ = 744667560. Its totient is φ = 76375680.

The previous prime is 252040531. The next prime is 252040549. The reversal of 252040536 is 635040252.

252040536 is a `hidden beast` number, since 252 + 0 + 405 + 3 + 6 = 666.

252040536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252040531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158325 + ... + 159908.

Almost surely, 2^252040536 is an apocalyptic number.

It is an amenable number.

252040536 is an abundant number, since it is smaller than the sum of its proper divisors (492627024).

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

252040536 is a wasteful number, since it uses less digits than its factorization.

252040536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318256 (or 318249 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 252040536 is about 15875.7845790373. The cubic root of 252040536 is about 631.6698256684.

Adding to 252040536 its reverse (635040252), we get a palindrome (887080788).

The spelling of 252040536 in words is "two hundred fifty-two million, forty thousand, five hundred thirty-six".