252652385 has 16 divisors (see below), whose sum is σ = 322420176. Its totient is φ = 189401088.

The previous prime is 252652369. The next prime is 252652429. The reversal of 252652385 is 583256252.

It can be written as a sum of positive squares in 8 ways, for example, as 446224 + 252206161 = 668^2 + 15881^2 .

It is a cyclic number.

It is not a de Polignac number, because 252652385 - 2⁴ = 252652369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13427 + ... + 26183.

It is an arithmetic number, because the mean of its divisors is an integer number (20151261).

Almost surely, 2^252652385 is an apocalyptic number.

It is an amenable number.

252652385 is a deficient number, since it is larger than the sum of its proper divisors (69767791).

252652385 is a wasteful number, since it uses less digits than its factorization.

252652385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13012.

The product of its digits is 144000, while the sum is 38.

The square root of 252652385 is about 15895.0427806911. The cubic root of 252652385 is about 632.1805559870.

The spelling of 252652385 in words is "two hundred fifty-two million, six hundred fifty-two thousand, three hundred eighty-five".