26322631 has 2 divisors, whose sum is σ = 26322632. Its totient is φ = 26322630.

The previous prime is 26322623. The next prime is 26322641. The reversal of 26322631 is 13622362.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26322631 - 2³ = 26322623 is a prime.

It is a super-2 number, since 2×26322631² = 1385761805524322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26322596 and 26322605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26322601) 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, 13161315 + 13161316.

It is an arithmetic number, because the mean of its divisors is an integer number (13161316).

Almost surely, 2^26322631 is an apocalyptic number.

26322631 is a deficient number, since it is larger than the sum of its proper divisors (1).

26322631 is an equidigital number, since it uses as much as digits as its factorization.

26322631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

The square root of 26322631 is about 5130.5585465912. The cubic root of 26322631 is about 297.4699487099.

Adding to 26322631 its reverse (13622362), we get a palindrome (39944993).

The spelling of 26322631 in words is "twenty-six million, three hundred twenty-two thousand, six hundred thirty-one".