26523 has 12 divisors (see below), whose sum is σ = 43888. Its totient is φ = 15120.

The previous prime is 26513. The next prime is 26539. The reversal of 26523 is 32562.

It is not a de Polignac number, because 26523 - 2⁶ = 26459 is a prime.

It is a Duffinian number.

26523 is a lucky number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 26496 and 26505.

It is not an unprimeable number, because it can be changed into a prime (26513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148 + ... + 273.

2²⁶⁵²³ is an apocalyptic number.

26523 is a deficient number, since it is larger than the sum of its proper divisors (17365).

26523 is a wasteful number, since it uses less digits than its factorization.

26523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 431 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 26523 is about 162.8588345777. The cubic root of 26523 is about 29.8222826301.

The spelling of 26523 in words is "twenty-six thousand, five hundred twenty-three".