26690033 has 2 divisors, whose sum is σ = 26690034. Its totient is φ = 26690032.

The previous prime is 26690021. The next prime is 26690047. The reversal of 26690033 is 33009662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22972849 + 3717184 = 4793^2 + 1928^2 .

It is a cyclic number.

It is not a de Polignac number, because 26690033 - 2⁶ = 26689969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26689978 and 26690005.

It is not a weakly prime, because it can be changed into another prime (26690093) 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, 13345016 + 13345017.

It is an arithmetic number, because the mean of its divisors is an integer number (13345017).

Almost surely, 2^26690033 is an apocalyptic number.

It is an amenable number.

26690033 is a deficient number, since it is larger than the sum of its proper divisors (1).

26690033 is an equidigital number, since it uses as much as digits as its factorization.

26690033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 26690033 is about 5166.2397350491. The cubic root of 26690033 is about 298.8475526265.

Adding to 26690033 its reverse (33009662), we get a palindrome (59699695).

The spelling of 26690033 in words is "twenty-six million, six hundred ninety thousand, thirty-three".