252965 has 4 divisors (see below), whose sum is σ = 303564. Its totient is φ = 202368.

The previous prime is 252949. The next prime is 252971. The reversal of 252965 is 569252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106276 + 146689 = 326^2 + 383^2 .

It is a cyclic number.

It is not a de Polignac number, because 252965 - 2⁴ = 252949 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25292 + ... + 25301.

It is an arithmetic number, because the mean of its divisors is an integer number (75891).

2²⁵²⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

252965 is a deficient number, since it is larger than the sum of its proper divisors (50599).

252965 is an equidigital number, since it uses as much as digits as its factorization.

252965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50598.

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

The square root of 252965 is about 502.9562605237. The cubic root of 252965 is about 63.2441187697.

The spelling of 252965 in words is "two hundred fifty-two thousand, nine hundred sixty-five".