252569 has 8 divisors (see below), whose sum is σ = 272160. Its totient is φ = 233536.

The previous prime is 252559. The next prime is 252583. The reversal of 252569 is 965252.

252569 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252569 - 2⁸ = 252313 is a prime.

It is a super-2 number, since 2×252569² = 127582199522, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322 + ... + 1500.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2²⁵²⁵⁶⁹ is an apocalyptic number.

It is an amenable number.

252569 is a deficient number, since it is larger than the sum of its proper divisors (19591).

252569 is a wasteful number, since it uses less digits than its factorization.

252569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279.

The product of its digits is 5400, while the sum is 29.

The square root of 252569 is about 502.5624339323. The cubic root of 252569 is about 63.2111000372.

The spelling of 252569 in words is "two hundred fifty-two thousand, five hundred sixty-nine".