26028217 has 2 divisors, whose sum is σ = 26028218. Its totient is φ = 26028216.

The previous prime is 26028193. The next prime is 26028239. The reversal of 26028217 is 71282062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24443136 + 1585081 = 4944^2 + 1259^2 .

It is a cyclic number.

It is not a de Polignac number, because 26028217 - 2⁷ = 26028089 is a prime.

It is not a weakly prime, because it can be changed into another prime (26028017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13014108 + 13014109.

It is an arithmetic number, because the mean of its divisors is an integer number (13014109).

Almost surely, 2^26028217 is an apocalyptic number.

It is an amenable number.

26028217 is a deficient number, since it is larger than the sum of its proper divisors (1).

26028217 is an equidigital number, since it uses as much as digits as its factorization.

26028217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 26028217 is about 5101.7856677834. The cubic root of 26028217 is about 296.3567382889.

The spelling of 26028217 in words is "twenty-six million, twenty-eight thousand, two hundred seventeen".