26256831 has 8 divisors (see below), whose sum is σ = 35531904. Its totient is φ = 17243160.

The previous prime is 26256827. The next prime is 26256847. The reversal of 26256831 is 13865262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26256831 - 2² = 26256827 is a prime.

It is a super-2 number, since 2×26256831² = 1378842348325122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26256792 and 26256801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26256871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65115 + ... + 65516.

It is an arithmetic number, because the mean of its divisors is an integer number (4441488).

Almost surely, 2^26256831 is an apocalyptic number.

26256831 is a deficient number, since it is larger than the sum of its proper divisors (9275073).

26256831 is a wasteful number, since it uses less digits than its factorization.

26256831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130701.

The product of its digits is 17280, while the sum is 33.

The square root of 26256831 is about 5124.1419769558. The cubic root of 26256831 is about 297.2218750409.

The spelling of 26256831 in words is "twenty-six million, two hundred fifty-six thousand, eight hundred thirty-one".