2564330 has 16 divisors (see below), whose sum is σ = 4635360. Its totient is φ = 1021392.

The previous prime is 2564329. The next prime is 2564333. The reversal of 2564330 is 334652.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2564296 and 2564305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564333) 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, 3101 + ... + 3839.

It is an arithmetic number, because the mean of its divisors is an integer number (289710).

2^2564330 is an apocalyptic number.

2564330 is a deficient number, since it is larger than the sum of its proper divisors (2071030).

2564330 is a wasteful number, since it uses less digits than its factorization.

2564330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2564330 is about 1601.3525533124. The cubic root of 2564330 is about 136.8751593307.

Adding to 2564330 its reverse (334652), we get a palindrome (2898982).

The spelling of 2564330 in words is "two million, five hundred sixty-four thousand, three hundred thirty".