26064289 has 2 divisors, whose sum is σ = 26064290. Its totient is φ = 26064288.

The previous prime is 26064277. The next prime is 26064293. The reversal of 26064289 is 98246062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26010000 + 54289 = 5100^2 + 233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26064289 is a prime.

It is a super-2 number, since 2×26064289² = 1358694322151042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26064239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13032144 + 13032145.

It is an arithmetic number, because the mean of its divisors is an integer number (13032145).

Almost surely, 2^26064289 is an apocalyptic number.

It is an amenable number.

26064289 is a deficient number, since it is larger than the sum of its proper divisors (1).

26064289 is an equidigital number, since it uses as much as digits as its factorization.

26064289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 26064289 is about 5105.3196765727. The cubic root of 26064289 is about 296.4935801072.

The spelling of 26064289 in words is "twenty-six million, sixty-four thousand, two hundred eighty-nine".