2402564 has 6 divisors (see below), whose sum is σ = 4204494. Its totient is φ = 1201280.

The previous prime is 2402549. The next prime is 2402567. The reversal of 2402564 is 4652042.

2402564 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2402500 + 64 = 1550^2 + 8^2 .

It is not an unprimeable number, because it can be changed into a prime (2402567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300317 + ... + 300324.

It is an arithmetic number, because the mean of its divisors is an integer number (700749).

2^2402564 is an apocalyptic number.

It is an amenable number.

2402564 is a deficient number, since it is larger than the sum of its proper divisors (1801930).

2402564 is a wasteful number, since it uses less digits than its factorization.

2402564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600645 (or 600643 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2402564 is about 1550.0206450238. The cubic root of 2402564 is about 133.9342515500.

It can be divided in two parts, 24025 and 64, that multiplied together give a square (1537600 = 1240²).

The spelling of 2402564 in words is "two million, four hundred two thousand, five hundred sixty-four".