252570307 has 4 divisors (see below), whose sum is σ = 275531256. Its totient is φ = 229609360.

The previous prime is 252570289. The next prime is 252570313. The reversal of 252570307 is 703075252.

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-252570307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252570007) 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, 11480458 + ... + 11480479.

It is an arithmetic number, because the mean of its divisors is an integer number (68882814).

Almost surely, 2^252570307 is an apocalyptic number.

252570307 is a deficient number, since it is larger than the sum of its proper divisors (22960949).

252570307 is a wasteful number, since it uses less digits than its factorization.

252570307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22960948.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 252570307 is about 15892.4606968210. The cubic root of 252570307 is about 632.1120907245.

The spelling of 252570307 in words is "two hundred fifty-two million, five hundred seventy thousand, three hundred seven".