26243983 has 2 divisors, whose sum is σ = 26243984. Its totient is φ = 26243982.

The previous prime is 26243933. The next prime is 26244007. The reversal of 26243983 is 38934262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26243983 - 2¹³ = 26235791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26243933) 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, 13121991 + 13121992.

It is an arithmetic number, because the mean of its divisors is an integer number (13121992).

Almost surely, 2^26243983 is an apocalyptic number.

26243983 is a deficient number, since it is larger than the sum of its proper divisors (1).

26243983 is an equidigital number, since it uses as much as digits as its factorization.

26243983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The square root of 26243983 is about 5122.8881502527. Note that the first 3 decimals coincide. The cubic root of 26243983 is about 297.1733882341.

The spelling of 26243983 in words is "twenty-six million, two hundred forty-three thousand, nine hundred eighty-three".