26923261 has 2 divisors, whose sum is σ = 26923262. Its totient is φ = 26923260.

The previous prime is 26923249. The next prime is 26923297. The reversal of 26923261 is 16232962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25060036 + 1863225 = 5006^2 + 1365^2 .

It is a cyclic number.

It is not a de Polignac number, because 26923261 - 2⁵ = 26923229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26923231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13461630 + 13461631.

It is an arithmetic number, because the mean of its divisors is an integer number (13461631).

Almost surely, 2^26923261 is an apocalyptic number.

It is an amenable number.

26923261 is a deficient number, since it is larger than the sum of its proper divisors (1).

26923261 is an equidigital number, since it uses as much as digits as its factorization.

26923261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 26923261 is about 5188.7629546935. The cubic root of 26923261 is about 299.7155117883.

The spelling of 26923261 in words is "twenty-six million, nine hundred twenty-three thousand, two hundred sixty-one".