2564564241 has 8 divisors (see below), whose sum is σ = 3466260640. Its totient is φ = 1686288672.

The previous prime is 2564564237. The next prime is 2564564243. The reversal of 2564564241 is 1424654652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2564564241 - 2² = 2564564237 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 2564564241.

It is not an unprimeable number, because it can be changed into a prime (2564564243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5854951 + ... + 5855388.

It is an arithmetic number, because the mean of its divisors is an integer number (433282580).

Almost surely, 2^2564564241 is an apocalyptic number.

It is an amenable number.

2564564241 is a deficient number, since it is larger than the sum of its proper divisors (901696399).

2564564241 is a wasteful number, since it uses less digits than its factorization.

2564564241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11710415.

The product of its digits is 230400, while the sum is 39.

The square root of 2564564241 is about 50641.5268430959. The cubic root of 2564564241 is about 1368.7932686474.

The spelling of 2564564241 in words is "two billion, five hundred sixty-four million, five hundred sixty-four thousand, two hundred forty-one".