26604131 has 4 divisors (see below), whose sum is σ = 26634000. Its totient is φ = 26574264.

The previous prime is 26604101. The next prime is 26604157. The reversal of 26604131 is 13140662.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26604131 - 2¹⁰ = 26603107 is a prime.

It is a super-2 number, since 2×26604131² = 1415559572530322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26604097 and 26604106.

It is not an unprimeable number, because it can be changed into a prime (26604101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13556 + ... + 15393.

It is an arithmetic number, because the mean of its divisors is an integer number (6658500).

Almost surely, 2^26604131 is an apocalyptic number.

26604131 is a deficient number, since it is larger than the sum of its proper divisors (29869).

26604131 is an equidigital number, since it uses as much as digits as its factorization.

26604131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29868.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 26604131 is about 5157.9192510159. The cubic root of 26604131 is about 298.5265939474.

Adding to 26604131 its reverse (13140662), we get a palindrome (39744793).

The spelling of 26604131 in words is "twenty-six million, six hundred four thousand, one hundred thirty-one".