26302231 has 2 divisors, whose sum is σ = 26302232. Its totient is φ = 26302230.

The previous prime is 26302223. The next prime is 26302267. The reversal of 26302231 is 13220362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26302231 - 2³ = 26302223 is a prime.

It is a super-2 number, since 2×26302231² = 1383614711154722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26302199 and 26302208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26302201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13151115 + 13151116.

It is an arithmetic number, because the mean of its divisors is an integer number (13151116).

Almost surely, 2^26302231 is an apocalyptic number.

26302231 is a deficient number, since it is larger than the sum of its proper divisors (1).

26302231 is an equidigital number, since it uses as much as digits as its factorization.

26302231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 26302231 is about 5128.5700736170. The cubic root of 26302231 is about 297.3930825931.

Adding to 26302231 its reverse (13220362), we get a palindrome (39522593).

The spelling of 26302231 in words is "twenty-six million, three hundred two thousand, two hundred thirty-one".