26442047 has 2 divisors, whose sum is σ = 26442048. Its totient is φ = 26442046.

The previous prime is 26442043. The next prime is 26442049. The reversal of 26442047 is 74024462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26442047 - 2² = 26442043 is a prime.

Together with 26442049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26442043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13221023 + 13221024.

It is an arithmetic number, because the mean of its divisors is an integer number (13221024).

Almost surely, 2^26442047 is an apocalyptic number.

26442047 is a deficient number, since it is larger than the sum of its proper divisors (1).

26442047 is an equidigital number, since it uses as much as digits as its factorization.

26442047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 26442047 is about 5142.1830967012. The cubic root of 26442047 is about 297.9191070616.

The spelling of 26442047 in words is "twenty-six million, four hundred forty-two thousand, forty-seven".