2564863282 has 8 divisors (see below), whose sum is σ = 3847629852. Its totient is φ = 1282320000.

The previous prime is 2564863241. The next prime is 2564863283. The reversal of 2564863282 is 2823684652.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2362057201 + 202806081 = 48601^2 + 14241^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2564863283) 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, 23319 + ... + 75322.

Almost surely, 2^2564863282 is an apocalyptic number.

2564863282 is a deficient number, since it is larger than the sum of its proper divisors (1282766570).

2564863282 is a wasteful number, since it uses less digits than its factorization.

2564863282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111644.

The product of its digits is 1105920, while the sum is 46.

The square root of 2564863282 is about 50644.4792845183. The cubic root of 2564863282 is about 1368.8464692903.

The spelling of 2564863282 in words is "two billion, five hundred sixty-four million, eight hundred sixty-three thousand, two hundred eighty-two".