2564055215 has 8 divisors (see below), whose sum is σ = 3078515040. Its totient is φ = 2050144992.

The previous prime is 2564055199. The next prime is 2564055239. The reversal of 2564055215 is 5125504652.

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 2564055215 - 2⁴ = 2564055199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127064 + ... + 145853.

It is an arithmetic number, because the mean of its divisors is an integer number (384814380).

Almost surely, 2^2564055215 is an apocalyptic number.

2564055215 is a deficient number, since it is larger than the sum of its proper divisors (514459825).

2564055215 is a wasteful number, since it uses less digits than its factorization.

2564055215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274801.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 2564055215 is about 50636.5008170983. The cubic root of 2564055215 is about 1368.7027012839.

Adding to 2564055215 its reverse (5125504652), we get a palindrome (7689559867).

The spelling of 2564055215 in words is "two billion, five hundred sixty-four million, fifty-five thousand, two hundred fifteen".