2568505361 has 8 divisors (see below), whose sum is σ = 2599391520. Its totient is φ = 2537746848.

The previous prime is 2568505327. The next prime is 2568505409. The reversal of 2568505361 is 1635058652.

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

It is a cyclic number.

It is not a de Polignac number, because 2568505361 - 2¹⁸ = 2568243217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2568504361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8885 + ... + 72221.

It is an arithmetic number, because the mean of its divisors is an integer number (324923940).

Almost surely, 2^2568505361 is an apocalyptic number.

It is an amenable number.

2568505361 is a deficient number, since it is larger than the sum of its proper divisors (30886159).

2568505361 is a wasteful number, since it uses less digits than its factorization.

2568505361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63823.

The product of its (nonzero) digits is 216000, while the sum is 41.

The square root of 2568505361 is about 50680.4238439262. The cubic root of 2568505361 is about 1369.4940787378.

The spelling of 2568505361 in words is "two billion, five hundred sixty-eight million, five hundred five thousand, three hundred sixty-one".