26232281 has 2 divisors, whose sum is σ = 26232282. Its totient is φ = 26232280.

The previous prime is 26232277. The next prime is 26232287. The reversal of 26232281 is 18223262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23921881 + 2310400 = 4891^2 + 1520^2 .

It is a cyclic number.

It is not a de Polignac number, because 26232281 - 2² = 26232277 is a prime.

It is a super-2 number, since 2×26232281² = 1376265132925922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26232281.

It is not a weakly prime, because it can be changed into another prime (26232287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13116140 + 13116141.

It is an arithmetic number, because the mean of its divisors is an integer number (13116141).

Almost surely, 2^26232281 is an apocalyptic number.

It is an amenable number.

26232281 is a deficient number, since it is larger than the sum of its proper divisors (1).

26232281 is an equidigital number, since it uses as much as digits as its factorization.

26232281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 26232281 is about 5121.7458937358. The cubic root of 26232281 is about 297.1292125211.

It can be divided in two parts, 26 and 232281, that multiplied together give a palindrome (6039306).

The spelling of 26232281 in words is "twenty-six million, two hundred thirty-two thousand, two hundred eighty-one".