26355131 has 8 divisors (see below), whose sum is σ = 28990128. Its totient is φ = 23958000.

The previous prime is 26355127. The next prime is 26355143. The reversal of 26355131 is 13155362.

It is not a de Polignac number, because 26355131 - 2² = 26355127 is a prime.

It is a super-2 number, since 2×26355131² = 1389185860054322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26355131.

It is not an unprimeable number, because it can be changed into a prime (26355031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8570 + ... + 11231.

It is an arithmetic number, because the mean of its divisors is an integer number (3623766).

Almost surely, 2^26355131 is an apocalyptic number.

26355131 is a deficient number, since it is larger than the sum of its proper divisors (2634997).

26355131 is an equidigital number, since it uses as much as digits as its factorization.

26355131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19834 (or 19812 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 26355131 is about 5133.7248660208. The cubic root of 26355131 is about 297.5923249926.

The spelling of 26355131 in words is "twenty-six million, three hundred fifty-five thousand, one hundred thirty-one".