2585952815 has 4 divisors (see below), whose sum is σ = 3103143384. Its totient is φ = 2068762248.

The previous prime is 2585952769. The next prime is 2585952821. The reversal of 2585952815 is 5182595852.

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

It is a cyclic number.

It is not a de Polignac number, because 2585952815 - 2¹⁶ = 2585887279 is a prime.

It is a super-2 number, since 2×2585952815² = 13374303922812848450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 258595277 + ... + 258595286.

It is an arithmetic number, because the mean of its divisors is an integer number (775785846).

Almost surely, 2^2585952815 is an apocalyptic number.

2585952815 is a deficient number, since it is larger than the sum of its proper divisors (517190569).

2585952815 is an equidigital number, since it uses as much as digits as its factorization.

2585952815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517190568.

The product of its digits is 1440000, while the sum is 50.

The square root of 2585952815 is about 50852.2646005072. The cubic root of 2585952815 is about 1372.5880032446.

The spelling of 2585952815 in words is "two billion, five hundred eighty-five million, nine hundred fifty-two thousand, eight hundred fifteen".