26638063 has 2 divisors, whose sum is σ = 26638064. Its totient is φ = 26638062.

The previous prime is 26638009. The next prime is 26638067. The reversal of 26638063 is 36083662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26638063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26638067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13319031 + 13319032.

It is an arithmetic number, because the mean of its divisors is an integer number (13319032).

Almost surely, 2^26638063 is an apocalyptic number.

26638063 is a deficient number, since it is larger than the sum of its proper divisors (1).

26638063 is an equidigital number, since it uses as much as digits as its factorization.

26638063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 26638063 is about 5161.2075137510. The cubic root of 26638063 is about 298.6534577148.

The spelling of 26638063 in words is "twenty-six million, six hundred thirty-eight thousand, sixty-three".