26256231 has 10 divisors (see below), whose sum is σ = 39222392. Its totient is φ = 17504100.

The previous prime is 26256229. The next prime is 26256289. The reversal of 26256231 is 13265262.

26256231 is a `hidden beast` number, since 2 + 625 + 6 + 2 + 31 = 666.

It is not a de Polignac number, because 26256231 - 2¹ = 26256229 is a prime.

It is a super-2 number, since 2×26256231² = 1378779332650722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26256195 and 26256204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26256331) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 161995 + ... + 162156.

Almost surely, 2^26256231 is an apocalyptic number.

26256231 is a deficient number, since it is larger than the sum of its proper divisors (12966161).

26256231 is an equidigital number, since it uses as much as digits as its factorization.

26256231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324163 (or 324154 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 26256231 is about 5124.0834302341. The cubic root of 26256231 is about 297.2196110652.

The spelling of 26256231 in words is "twenty-six million, two hundred fifty-six thousand, two hundred thirty-one".