5278564 has 12 divisors (see below), whose sum is σ = 9266544. Its totient is φ = 2630984.

The previous prime is 5278547. The next prime is 5278571. The reversal of 5278564 is 4658725.

It is a happy number.

It is an Ulam number.

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, 514 + ... + 3289.

It is an arithmetic number, because the mean of its divisors is an integer number (772212).

Almost surely, 2^5278564 is an apocalyptic number.

It is an amenable number.

5278564 is a deficient number, since it is larger than the sum of its proper divisors (3987980).

5278564 is a wasteful number, since it uses less digits than its factorization.

5278564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154 (or 4152 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 5278564 is about 2297.5125679743. The cubic root of 5278564 is about 174.1159662054.

It can be divided in two parts, 5278 and 564, that multiplied together give a palindrome (2976792).

The spelling of 5278564 in words is "five million, two hundred seventy-eight thousand, five hundred sixty-four".