26085817 has 2 divisors, whose sum is σ = 26085818. Its totient is φ = 26085816.

The previous prime is 26085809. The next prime is 26085823. The reversal of 26085817 is 71858062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16777216 + 9308601 = 4096^2 + 3051^2 .

It is a cyclic number.

It is not a de Polignac number, because 26085817 - 2³ = 26085809 is a prime.

It is not a weakly prime, because it can be changed into another prime (26085827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13042908 + 13042909.

It is an arithmetic number, because the mean of its divisors is an integer number (13042909).

Almost surely, 2^26085817 is an apocalyptic number.

It is an amenable number.

26085817 is a deficient number, since it is larger than the sum of its proper divisors (1).

26085817 is an equidigital number, since it uses as much as digits as its factorization.

26085817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 26085817 is about 5107.4276304222. The cubic root of 26085817 is about 296.5751880275.

The spelling of 26085817 in words is "twenty-six million, eighty-five thousand, eight hundred seventeen".