26249423 has 2 divisors, whose sum is σ = 26249424. Its totient is φ = 26249422.

The previous prime is 26249407. The next prime is 26249429. The reversal of 26249423 is 32494262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26249423 - 2⁴ = 26249407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26249423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26249429) 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, 13124711 + 13124712.

It is an arithmetic number, because the mean of its divisors is an integer number (13124712).

Almost surely, 2^26249423 is an apocalyptic number.

26249423 is a deficient number, since it is larger than the sum of its proper divisors (1).

26249423 is an equidigital number, since it uses as much as digits as its factorization.

26249423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 32.

The square root of 26249423 is about 5123.4190732362. The cubic root of 26249423 is about 297.1939200711.

The spelling of 26249423 in words is "twenty-six million, two hundred forty-nine thousand, four hundred twenty-three".