2564354305 has 32 divisors (see below), whose sum is σ = 3166055424. Its totient is φ = 1993450176.

The previous prime is 2564354269. The next prime is 2564354327. The reversal of 2564354305 is 5034534652.

It is not a de Polignac number, because 2564354305 - 2¹⁵ = 2564321537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11296602 + ... + 11296828.

It is an arithmetic number, because the mean of its divisors is an integer number (98939232).

Almost surely, 2^2564354305 is an apocalyptic number.

It is an amenable number.

2564354305 is a deficient number, since it is larger than the sum of its proper divisors (601701119).

2564354305 is a wasteful number, since it uses less digits than its factorization.

2564354305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 216000, while the sum is 37.

The square root of 2564354305 is about 50639.4540353665. The cubic root of 2564354305 is about 1368.7559176853.

Adding to 2564354305 its reverse (5034534652), we get a palindrome (7598888957).

The spelling of 2564354305 in words is "two billion, five hundred sixty-four million, three hundred fifty-four thousand, three hundred five".