2564002 has 16 divisors (see below), whose sum is σ = 4416192. Its totient is φ = 1093680.

The previous prime is 2563997. The next prime is 2564011. The reversal of 2564002 is 2004652.

2564002 = 289² + 290² + ... + 316².

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, 4977 + ... + 5467.

It is an arithmetic number, because the mean of its divisors is an integer number (276012).

2^2564002 is an apocalyptic number.

2564002 is a deficient number, since it is larger than the sum of its proper divisors (1852190).

2564002 is a wasteful number, since it uses less digits than its factorization.

2564002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2564002 is about 1601.2501366120. The cubic root of 2564002 is about 136.8693232427.

Adding to 2564002 its reverse (2004652), we get a palindrome (4568654).

The spelling of 2564002 in words is "two million, five hundred sixty-four thousand, two".