252750529 has 4 divisors (see below), whose sum is σ = 252852160. Its totient is φ = 252648900.

The previous prime is 252750499. The next prime is 252750541. The reversal of 252750529 is 925057252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252750529 - 2⁷ = 252750401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252750569) 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, 46989 + ... + 52090.

It is an arithmetic number, because the mean of its divisors is an integer number (63213040).

Almost surely, 2^252750529 is an apocalyptic number.

It is an amenable number.

252750529 is a deficient number, since it is larger than the sum of its proper divisors (101631).

252750529 is an equidigital number, since it uses as much as digits as its factorization.

252750529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101630.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 252750529 is about 15898.1297327705. The cubic root of 252750529 is about 632.2624032206.

The spelling of 252750529 in words is "two hundred fifty-two million, seven hundred fifty thousand, five hundred twenty-nine".