252890 has 32 divisors (see below), whose sum is σ = 527040. Its totient is φ = 87120.

The previous prime is 252887. The next prime is 252893. The reversal of 252890 is 98252.

It is an interprime number because it is at equal distance from previous prime (252887) and next prime (252893).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252893) 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 15 ways as a sum of consecutive naturals, for example, 13301 + ... + 13319.

It is an arithmetic number, because the mean of its divisors is an integer number (16470).

2²⁵²⁸⁹⁰ is an apocalyptic number.

252890 is an abundant number, since it is smaller than the sum of its proper divisors (274150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252890 is a wasteful number, since it uses less digits than its factorization.

252890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 252890 is about 502.8816958291. The cubic root of 252890 is about 63.2378678684.

The spelling of 252890 in words is "two hundred fifty-two thousand, eight hundred ninety".