2564576853 has 4 divisors (see below), whose sum is σ = 3419435808. Its totient is φ = 1709717900.

The previous prime is 2564576789. The next prime is 2564576857. The reversal of 2564576853 is 3586754652.

2564576853 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2564576853 - 2⁶ = 2564576789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2564576796 and 2564576805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564576857) 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, 427429473 + ... + 427429478.

It is an arithmetic number, because the mean of its divisors is an integer number (854858952).

Almost surely, 2^2564576853 is an apocalyptic number.

It is an amenable number.

2564576853 is a deficient number, since it is larger than the sum of its proper divisors (854858955).

2564576853 is an equidigital number, since it uses as much as digits as its factorization.

2564576853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854858954.

The product of its digits is 6048000, while the sum is 51.

The square root of 2564576853 is about 50641.6513652547. The cubic root of 2564576853 is about 1368.7955124584.

The spelling of 2564576853 in words is "two billion, five hundred sixty-four million, five hundred seventy-six thousand, eight hundred fifty-three".