6502564 has 12 divisors (see below), whose sum is σ = 11429964. Its totient is φ = 3236864.

The previous prime is 6502553. The next prime is 6502571. The reversal of 6502564 is 4652056.

6502564 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 2 ways, for example, as 1304164 + 5198400 = 1142^2 + 2280^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2557 + ... + 4420.

It is an arithmetic number, because the mean of its divisors is an integer number (952497).

Almost surely, 2^6502564 is an apocalyptic number.

It is an amenable number.

6502564 is a deficient number, since it is larger than the sum of its proper divisors (4927400).

6502564 is a wasteful number, since it uses less digits than its factorization.

6502564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7214 (or 7212 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 6502564 is about 2550.0125489887. The cubic root of 6502564 is about 186.6500934832.

It can be divided in two parts, 65025 and 64, that multiplied together give a square (4161600 = 2040²).

The spelling of 6502564 in words is "six million, five hundred two thousand, five hundred sixty-four".