26712281 has 2 divisors, whose sum is σ = 26712282. Its totient is φ = 26712280.

The previous prime is 26712263. The next prime is 26712293. The reversal of 26712281 is 18221762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26419600 + 292681 = 5140^2 + 541^2 .

It is a cyclic number.

It is not a de Polignac number, because 26712281 - 2¹⁴ = 26695897 is a prime.

It is a super-2 number, since 2×26712281² = 1427091912445922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26712211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13356140 + 13356141.

It is an arithmetic number, because the mean of its divisors is an integer number (13356141).

Almost surely, 2^26712281 is an apocalyptic number.

It is an amenable number.

26712281 is a deficient number, since it is larger than the sum of its proper divisors (1).

26712281 is an equidigital number, since it uses as much as digits as its factorization.

26712281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 29.

The square root of 26712281 is about 5168.3924967053. The cubic root of 26712281 is about 298.9305663093.

The spelling of 26712281 in words is "twenty-six million, seven hundred twelve thousand, two hundred eighty-one".