252837240 has 64 divisors (see below), whose sum is σ = 782991360. Its totient is φ = 65247360.

The previous prime is 252837227. The next prime is 252837241. The reversal of 252837240 is 42738252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252837241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30264 + ... + 37703.

It is an arithmetic number, because the mean of its divisors is an integer number (12234240).

Almost surely, 2^252837240 is an apocalyptic number.

252837240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252837240 is an abundant number, since it is smaller than the sum of its proper divisors (530154120).

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

252837240 is a wasteful number, since it uses less digits than its factorization.

252837240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68012 (or 68008 counting only the distinct ones).

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

The square root of 252837240 is about 15900.8565807003. The cubic root of 252837240 is about 632.3346982714.

It can be divided in two parts, 25283 and 7240, that added together give a palindrome (32523).

The spelling of 252837240 in words is "two hundred fifty-two million, eight hundred thirty-seven thousand, two hundred forty".