26342369 has 2 divisors, whose sum is σ = 26342370. Its totient is φ = 26342368.

The previous prime is 26342347. The next prime is 26342389. The reversal of 26342369 is 96324362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15366400 + 10975969 = 3920^2 + 3313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26342369 is a prime.

It is a super-2 number, since 2×26342369² = 1387840809064322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26342339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13171184 + 13171185.

It is an arithmetic number, because the mean of its divisors is an integer number (13171185).

Almost surely, 2^26342369 is an apocalyptic number.

It is an amenable number.

26342369 is a deficient number, since it is larger than the sum of its proper divisors (1).

26342369 is an equidigital number, since it uses as much as digits as its factorization.

26342369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 35.

The square root of 26342369 is about 5132.4817583699. The cubic root of 26342369 is about 297.5442826533.

The spelling of 26342369 in words is "twenty-six million, three hundred forty-two thousand, three hundred sixty-nine".