26144047 has 2 divisors, whose sum is σ = 26144048. Its totient is φ = 26144046.

The previous prime is 26144033. The next prime is 26144081. The reversal of 26144047 is 74044162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26144047 - 2⁷ = 26143919 is a prime.

It is a super-2 number, since 2×26144047² = 1367022387076418, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26144947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13072023 + 13072024.

It is an arithmetic number, because the mean of its divisors is an integer number (13072024).

Almost surely, 2^26144047 is an apocalyptic number.

26144047 is a deficient number, since it is larger than the sum of its proper divisors (1).

26144047 is an equidigital number, since it uses as much as digits as its factorization.

26144047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 26144047 is about 5113.1249740252. The cubic root of 26144047 is about 296.7957004376.

The spelling of 26144047 in words is "twenty-six million, one hundred forty-four thousand, forty-seven".