26331313 has 2 divisors, whose sum is σ = 26331314. Its totient is φ = 26331312.

The previous prime is 26331311. The next prime is 26331341. The reversal of 26331313 is 31313362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25735329 + 595984 = 5073^2 + 772^2 .

It is a cyclic number.

It is not a de Polignac number, because 26331313 - 2¹ = 26331311 is a prime.

Together with 26331311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26331311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13165656 + 13165657.

It is an arithmetic number, because the mean of its divisors is an integer number (13165657).

Almost surely, 2^26331313 is an apocalyptic number.

It is an amenable number.

26331313 is a deficient number, since it is larger than the sum of its proper divisors (1).

26331313 is an equidigital number, since it uses as much as digits as its factorization.

26331313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 22.

The square root of 26331313 is about 5131.4045835424. The cubic root of 26331313 is about 297.5026499776.

Adding to 26331313 its reverse (31313362), we get a palindrome (57644675).

The spelling of 26331313 in words is "twenty-six million, three hundred thirty-one thousand, three hundred thirteen".