252037660 has 96 divisors (see below), whose sum is σ = 652538880. Its totient is φ = 79833600.

The previous prime is 252037649. The next prime is 252037697. The reversal of 252037660 is 66730252.

252037660 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107905 + ... + 110215.

It is an arithmetic number, because the mean of its divisors is an integer number (6797280).

Almost surely, 2^252037660 is an apocalyptic number.

252037660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252037660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326269440).

252037660 is an abundant number, since it is smaller than the sum of its proper divisors (400501220).

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

252037660 is a wasteful number, since it uses less digits than its factorization.

252037660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387 (or 2385 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 252037660 is about 15875.6940005784. The cubic root of 252037660 is about 631.6674230267.

The spelling of 252037660 in words is "two hundred fifty-two million, thirty-seven thousand, six hundred sixty".