26346491 has 2 divisors, whose sum is σ = 26346492. Its totient is φ = 26346490.

The previous prime is 26346469. The next prime is 26346493. The reversal of 26346491 is 19464362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26346491 - 2¹⁸ = 26084347 is a prime.

Together with 26346493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26346493) 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, 13173245 + 13173246.

It is an arithmetic number, because the mean of its divisors is an integer number (13173246).

Almost surely, 2^26346491 is an apocalyptic number.

26346491 is a deficient number, since it is larger than the sum of its proper divisors (1).

26346491 is an equidigital number, since it uses as much as digits as its factorization.

26346491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 26346491 is about 5132.8833027841. The cubic root of 26346491 is about 297.5598015508.

The spelling of 26346491 in words is "twenty-six million, three hundred forty-six thousand, four hundred ninety-one".