26231369 has 2 divisors, whose sum is σ = 26231370. Its totient is φ = 26231368.

The previous prime is 26231329. The next prime is 26231377. The reversal of 26231369 is 96313262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18318400 + 7912969 = 4280^2 + 2813^2 .

It is a cyclic number.

It is not a de Polignac number, because 26231369 - 2¹² = 26227273 is a prime.

It is a super-2 number, since 2×26231369² = 1376169439228322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26231329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13115684 + 13115685.

It is an arithmetic number, because the mean of its divisors is an integer number (13115685).

Almost surely, 2^26231369 is an apocalyptic number.

It is an amenable number.

26231369 is a deficient number, since it is larger than the sum of its proper divisors (1).

26231369 is an equidigital number, since it uses as much as digits as its factorization.

26231369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 26231369 is about 5121.6568608215. The cubic root of 26231369 is about 297.1257691176.

The spelling of 26231369 in words is "twenty-six million, two hundred thirty-one thousand, three hundred sixty-nine".