2564732 has 12 divisors (see below), whose sum is σ = 4501896. Its totient is φ = 1278480.

The previous prime is 2564719. The next prime is 2564741. The reversal of 2564732 is 2374652.

2564732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2564695 and 2564704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923 + ... + 2445.

It is an arithmetic number, because the mean of its divisors is an integer number (375158).

2^2564732 is an apocalyptic number.

It is an amenable number.

2564732 is a deficient number, since it is larger than the sum of its proper divisors (1937164).

2564732 is a wasteful number, since it uses less digits than its factorization.

2564732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1946 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 2564732 is about 1601.4780672866. The cubic root of 2564732 is about 136.8823114183.

The spelling of 2564732 in words is "two million, five hundred sixty-four thousand, seven hundred thirty-two".