26825831 has 2 divisors, whose sum is σ = 26825832. Its totient is φ = 26825830.

The previous prime is 26825801. The next prime is 26825857. The reversal of 26825831 is 13852862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26825831 - 2¹⁸ = 26563687 is a prime.

It is a super-2 number, since 2×26825831² = 1439250417681122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26825791 and 26825800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26825801) 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 as a sum of consecutive naturals, namely, 13412915 + 13412916.

It is an arithmetic number, because the mean of its divisors is an integer number (13412916).

Almost surely, 2^26825831 is an apocalyptic number.

26825831 is a deficient number, since it is larger than the sum of its proper divisors (1).

26825831 is an equidigital number, since it uses as much as digits as its factorization.

26825831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 35.

The square root of 26825831 is about 5179.3658878284. The cubic root of 26825831 is about 299.3535375847.

The spelling of 26825831 in words is "twenty-six million, eight hundred twenty-five thousand, eight hundred thirty-one".