252930569 has 4 divisors (see below), whose sum is σ = 253018896. Its totient is φ = 252842244.

The previous prime is 252930541. The next prime is 252930571. The reversal of 252930569 is 965039252.

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 a de Polignac number, because none of the positive numbers 2^k-252930569 is a prime.

It is a super-2 number, since 2×252930569² = 127947745469327522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252930589) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 39719 + ... + 45644.

It is an arithmetic number, because the mean of its divisors is an integer number (63254724).

Almost surely, 2^252930569 is an apocalyptic number.

It is an amenable number.

252930569 is a deficient number, since it is larger than the sum of its proper divisors (88327).

252930569 is an equidigital number, since it uses as much as digits as its factorization.

252930569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88326.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 252930569 is about 15903.7910260416. The cubic root of 252930569 is about 632.4124925936.

The spelling of 252930569 in words is "two hundred fifty-two million, nine hundred thirty thousand, five hundred sixty-nine".