252710720 has 28 divisors (see below), whose sum is σ = 601768164. Its totient is φ = 101084160.

The previous prime is 252710707. The next prime is 252710753. The reversal of 252710720 is 27017252.

It can be written as a sum of positive squares in 2 ways, for example, as 144384256 + 108326464 = 12016^2 + 10408^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 252710720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394541 + ... + 395180.

Almost surely, 2^252710720 is an apocalyptic number.

252710720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252710720 is an abundant number, since it is smaller than the sum of its proper divisors (349057444).

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

252710720 is an equidigital number, since it uses as much as digits as its factorization.

252710720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789738 (or 789728 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 252710720 is about 15896.8776808529. The cubic root of 252710720 is about 632.2292070414.

Adding to 252710720 its reverse (27017252), we get a palindrome (279727972).

The spelling of 252710720 in words is "two hundred fifty-two million, seven hundred ten thousand, seven hundred twenty".