252989 has 8 divisors (see below), whose sum is σ = 279840. Its totient is φ = 226800.

The previous prime is 252983. The next prime is 253003. The reversal of 252989 is 989252.

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 252989 - 2¹² = 248893 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094 + ... + 1304.

It is an arithmetic number, because the mean of its divisors is an integer number (34980).

2²⁵²⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

252989 is a deficient number, since it is larger than the sum of its proper divisors (26851).

252989 is a wasteful number, since it uses less digits than its factorization.

252989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331.

The product of its digits is 12960, while the sum is 35.

The square root of 252989 is about 502.9801188914. The cubic root of 252989 is about 63.2461187972.

The spelling of 252989 in words is "two hundred fifty-two thousand, nine hundred eighty-nine".