2564383515 has 8 divisors (see below), whose sum is σ = 4103013648. Its totient is φ = 1367671200.

The previous prime is 2564383487. The next prime is 2564383517. The reversal of 2564383515 is 5153834652.

2564383515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-2564383515 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2564383517) 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, 85479436 + ... + 85479465.

It is an arithmetic number, because the mean of its divisors is an integer number (512876706).

Almost surely, 2^2564383515 is an apocalyptic number.

2564383515 is a deficient number, since it is larger than the sum of its proper divisors (1538630133).

2564383515 is a wasteful number, since it uses less digits than its factorization.

2564383515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170958909.

The product of its digits is 432000, while the sum is 42.

The square root of 2564383515 is about 50639.7424460275. The cubic root of 2564383515 is about 1368.7611147322.

The spelling of 2564383515 in words is "two billion, five hundred sixty-four million, three hundred eighty-three thousand, five hundred fifteen".