26270239 has 2 divisors, whose sum is σ = 26270240. Its totient is φ = 26270238.

The previous prime is 26270207. The next prime is 26270249. The reversal of 26270239 is 93207262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26270239 - 2⁵ = 26270207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26270239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26270249) 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, 13135119 + 13135120.

It is an arithmetic number, because the mean of its divisors is an integer number (13135120).

Almost surely, 2^26270239 is an apocalyptic number.

26270239 is a deficient number, since it is larger than the sum of its proper divisors (1).

26270239 is an equidigital number, since it uses as much as digits as its factorization.

26270239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 26270239 is about 5125.4501265743. The cubic root of 26270239 is about 297.2724583571.

The spelling of 26270239 in words is "twenty-six million, two hundred seventy thousand, two hundred thirty-nine".