26243443 has 2 divisors, whose sum is σ = 26243444. Its totient is φ = 26243442.

The previous prime is 26243429. The next prime is 26243449. The reversal of 26243443 is 34434262.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26243443 is a prime.

It is not a weakly prime, because it can be changed into another prime (26243449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13121721 + 13121722.

It is an arithmetic number, because the mean of its divisors is an integer number (13121722).

Almost surely, 2^26243443 is an apocalyptic number.

26243443 is a deficient number, since it is larger than the sum of its proper divisors (1).

26243443 is an equidigital number, since it uses as much as digits as its factorization.

26243443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 28.

The square root of 26243443 is about 5122.8354453369. The cubic root of 26243443 is about 297.1713499925.

The spelling of 26243443 in words is "twenty-six million, two hundred forty-three thousand, four hundred forty-three".