2564068 has 18 divisors (see below), whose sum is σ = 4860114. Its totient is φ = 1183104.

The previous prime is 2564057. The next prime is 2564071. The reversal of 2564068 is 8604652.

It can be written as a sum of positive squares in 3 ways, for example, as 73984 + 2490084 = 272^2 + 1578^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1221 + ... + 2572.

2^2564068 is an apocalyptic number.

It is an amenable number.

2564068 is a deficient number, since it is larger than the sum of its proper divisors (2296046).

2564068 is a wasteful number, since it uses less digits than its factorization.

2564068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823 (or 3808 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2564068 is about 1601.2707453769. The cubic root of 2564068 is about 136.8704976174.

The spelling of 2564068 in words is "two million, five hundred sixty-four thousand, sixty-eight".