2564860223 has 4 divisors (see below), whose sum is σ = 2582074200. Its totient is φ = 2547646248.

The previous prime is 2564860201. The next prime is 2564860241. The reversal of 2564860223 is 3220684652.

2564860223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2564860223 - 2¹² = 2564856127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564860283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8606765 + ... + 8607062.

It is an arithmetic number, because the mean of its divisors is an integer number (645518550).

Almost surely, 2^2564860223 is an apocalyptic number.

2564860223 is a deficient number, since it is larger than the sum of its proper divisors (17213977).

2564860223 is a wasteful number, since it uses less digits than its factorization.

2564860223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17213976.

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 2564860223 is about 50644.4490837841. The cubic root of 2564860223 is about 1368.8459251024.

The spelling of 2564860223 in words is "two billion, five hundred sixty-four million, eight hundred sixty thousand, two hundred twenty-three".