252385 has 8 divisors (see below), whose sum is σ = 346176. Its totient is φ = 173040.

The previous prime is 252383. The next prime is 252391. The reversal of 252385 is 583252.

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

It is not a de Polignac number, because 252385 - 2¹ = 252383 is a prime.

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

It is a Duffinian number.

252385 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (252383) 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, 3571 + ... + 3640.

It is an arithmetic number, because the mean of its divisors is an integer number (43272).

2²⁵²³⁸⁵ is an apocalyptic number.

It is an amenable number.

252385 is a deficient number, since it is larger than the sum of its proper divisors (93791).

252385 is an equidigital number, since it uses as much as digits as its factorization.

252385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7223.

The product of its digits is 2400, while the sum is 25.

The square root of 252385 is about 502.3793387471. The cubic root of 252385 is about 63.1957462554.

It can be divided in two parts, 252 and 385, that multiplied together give a triangular number (97020 = T₄₄₀).

The spelling of 252385 in words is "two hundred fifty-two thousand, three hundred eighty-five".