26045639 has 2 divisors, whose sum is σ = 26045640. Its totient is φ = 26045638.

The previous prime is 26045633. The next prime is 26045641. The reversal of 26045639 is 93654062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26045639 - 2²⁴ = 9268423 is a prime.

Together with 26045641, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26045599 and 26045608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26045633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13022819 + 13022820.

It is an arithmetic number, because the mean of its divisors is an integer number (13022820).

Almost surely, 2^26045639 is an apocalyptic number.

26045639 is a deficient number, since it is larger than the sum of its proper divisors (1).

26045639 is an equidigital number, since it uses as much as digits as its factorization.

26045639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 26045639 is about 5103.4928235474. The cubic root of 26045639 is about 296.4228457182.

The spelling of 26045639 in words is "twenty-six million, forty-five thousand, six hundred thirty-nine".