2564330113 has 4 divisors (see below), whose sum is σ = 2566872580. Its totient is φ = 2561787648.

The previous prime is 2564330089. The next prime is 2564330123. The reversal of 2564330113 is 3110334652.

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 993951729 + 1570378384 = 31527^2 + 39628^2 .

It is a cyclic number.

It is not a de Polignac number, because 2564330113 - 2⁹ = 2564329601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2564330123) 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, 1269720 + ... + 1271737.

It is an arithmetic number, because the mean of its divisors is an integer number (641718145).

Almost surely, 2^2564330113 is an apocalyptic number.

It is an amenable number.

2564330113 is a deficient number, since it is larger than the sum of its proper divisors (2542467).

2564330113 is a wasteful number, since it uses less digits than its factorization.

2564330113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542466.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 2564330113 is about 50639.2151696687. The cubic root of 2564330113 is about 1368.7516134118.

Adding to 2564330113 its reverse (3110334652), we get a palindrome (5674664765).

The spelling of 2564330113 in words is "two billion, five hundred sixty-four million, three hundred thirty thousand, one hundred thirteen".