252960387 has 4 divisors (see below), whose sum is σ = 337280520. Its totient is φ = 168640256.

The previous prime is 252960349. The next prime is 252960397. The reversal of 252960387 is 783069252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252960387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252960347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42160062 + ... + 42160067.

It is an arithmetic number, because the mean of its divisors is an integer number (84320130).

Almost surely, 2^252960387 is an apocalyptic number.

252960387 is a deficient number, since it is larger than the sum of its proper divisors (84320133).

252960387 is an equidigital number, since it uses as much as digits as its factorization.

252960387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84320132.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 252960387 is about 15904.7284478547. The cubic root of 252960387 is about 632.4373433327.

The spelling of 252960387 in words is "two hundred fifty-two million, nine hundred sixty thousand, three hundred eighty-seven".