252755585 has 4 divisors (see below), whose sum is σ = 303306708. Its totient is φ = 202204464.

The previous prime is 252755563. The next prime is 252755597. The reversal of 252755585 is 585557252.

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 110859841 + 141895744 = 10529^2 + 11912^2 .

It is a cyclic number.

It is not a de Polignac number, because 252755585 - 2¹⁸ = 252493441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25275554 + ... + 25275563.

It is an arithmetic number, because the mean of its divisors is an integer number (75826677).

Almost surely, 2^252755585 is an apocalyptic number.

It is an amenable number.

252755585 is a deficient number, since it is larger than the sum of its proper divisors (50551123).

252755585 is an equidigital number, since it uses as much as digits as its factorization.

252755585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50551122.

The product of its digits is 700000, while the sum is 44.

The square root of 252755585 is about 15898.2887443901. The cubic root of 252755585 is about 632.2666191002.

The spelling of 252755585 in words is "two hundred fifty-two million, seven hundred fifty-five thousand, five hundred eighty-five".