26282621 has 2 divisors, whose sum is σ = 26282622. Its totient is φ = 26282620.

The previous prime is 26282611. The next prime is 26282623. The reversal of 26282621 is 12628262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22992025 + 3290596 = 4795^2 + 1814^2 .

It is a cyclic number.

It is not a de Polignac number, because 26282621 - 2¹⁰ = 26281597 is a prime.

Together with 26282623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26282623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13141310 + 13141311.

It is an arithmetic number, because the mean of its divisors is an integer number (13141311).

Almost surely, 2^26282621 is an apocalyptic number.

It is an amenable number.

26282621 is a deficient number, since it is larger than the sum of its proper divisors (1).

26282621 is an equidigital number, since it uses as much as digits as its factorization.

26282621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 29.

The square root of 26282621 is about 5126.6578781893. The cubic root of 26282621 is about 297.3191556792.

The spelling of 26282621 in words is "twenty-six million, two hundred eighty-two thousand, six hundred twenty-one".