2564330331 has 8 divisors (see below), whose sum is σ = 3424282384. Its totient is φ = 1706965920.

The previous prime is 2564330317. The next prime is 2564330339. The reversal of 2564330331 is 1330334652.

2564330331 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 not a de Polignac number, because 2564330331 - 2⁶ = 2564330267 is a prime.

It is a super-2 number, since 2×2564330331² = 13151580092973139122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2564330339) 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, 644596 + ... + 648561.

It is an arithmetic number, because the mean of its divisors is an integer number (428035298).

Almost surely, 2^2564330331 is an apocalyptic number.

2564330331 is a deficient number, since it is larger than the sum of its proper divisors (859952053).

2564330331 is a wasteful number, since it uses less digits than its factorization.

2564330331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293821.

The product of its (nonzero) digits is 19440, while the sum is 30.

The square root of 2564330331 is about 50639.2173221506. The cubic root of 2564330331 is about 1368.7516521988.

Adding to 2564330331 its reverse (1330334652), we get a palindrome (3894664983).

The spelling of 2564330331 in words is "two billion, five hundred sixty-four million, three hundred thirty thousand, three hundred thirty-one".