26680453 has 2 divisors, whose sum is σ = 26680454. Its totient is φ = 26680452.

The previous prime is 26680447. The next prime is 26680469. The reversal of 26680453 is 35408662.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24770529 + 1909924 = 4977^2 + 1382^2 .

It is a cyclic number.

It is not a de Polignac number, because 26680453 - 2¹⁷ = 26549381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26680403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13340226 + 13340227.

It is an arithmetic number, because the mean of its divisors is an integer number (13340227).

Almost surely, 2^26680453 is an apocalyptic number.

It is an amenable number.

26680453 is a deficient number, since it is larger than the sum of its proper divisors (1).

26680453 is an equidigital number, since it uses as much as digits as its factorization.

26680453 is an evil number, because the sum of its binary digits is even.

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

The square root of 26680453 is about 5165.3124784470. The cubic root of 26680453 is about 298.8117926837.

The spelling of 26680453 in words is "twenty-six million, six hundred eighty thousand, four hundred fifty-three".