2564513303 has 8 divisors (see below), whose sum is σ = 2801279376. Its totient is φ = 2328352000.

The previous prime is 2564513251. The next prime is 2564513309. The reversal of 2564513303 is 3033154652.

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 2564513303 - 2¹⁸ = 2564251159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2564513303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564513309) 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, 142298 + ... + 159303.

It is an arithmetic number, because the mean of its divisors is an integer number (350159922).

Almost surely, 2^2564513303 is an apocalyptic number.

2564513303 is a deficient number, since it is larger than the sum of its proper divisors (236766073).

2564513303 is a wasteful number, since it uses less digits than its factorization.

2564513303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302385.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 2564513303 is about 50641.0239134242. The cubic root of 2564513303 is about 1368.7842061522.

Adding to 2564513303 its reverse (3033154652), we get a palindrome (5597667955).

The spelling of 2564513303 in words is "two billion, five hundred sixty-four million, five hundred thirteen thousand, three hundred three".