26806453 has 2 divisors, whose sum is σ = 26806454. Its totient is φ = 26806452.

The previous prime is 26806361. The next prime is 26806457. The reversal of 26806453 is 35460862.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19873764 + 6932689 = 4458^2 + 2633^2 .

It is a cyclic number.

It is not a de Polignac number, because 26806453 - 2²¹ = 24709301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26806457) 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, 13403226 + 13403227.

It is an arithmetic number, because the mean of its divisors is an integer number (13403227).

Almost surely, 2^26806453 is an apocalyptic number.

It is an amenable number.

26806453 is a deficient number, since it is larger than the sum of its proper divisors (1).

26806453 is an equidigital number, since it uses as much as digits as its factorization.

26806453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 26806453 is about 5177.4948575542. The cubic root of 26806453 is about 299.2814395363.

The spelling of 26806453 in words is "twenty-six million, eight hundred six thousand, four hundred fifty-three".