26504 has 8 divisors (see below), whose sum is σ = 49710. Its totient is φ = 13248.

The previous prime is 26501. The next prime is 26513. The reversal of 26504 is 40562.

It can be written as a sum of positive squares in only one way, i.e., 16900 + 9604 = 130^2 + 98^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 16.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (26501) 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, 1649 + ... + 1664.

2²⁶⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

26504 is a deficient number, since it is larger than the sum of its proper divisors (23206).

26504 is a wasteful number, since it uses less digits than its factorization.

26504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319 (or 3315 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 26504 is about 162.8004913997. The cubic root of 26504 is about 29.8151597716.

The spelling of 26504 in words is "twenty-six thousand, five hundred four".