26380433 has 2 divisors, whose sum is σ = 26380434. Its totient is φ = 26380432.

The previous prime is 26380399. The next prime is 26380441. The reversal of 26380433 is 33408362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21641104 + 4739329 = 4652^2 + 2177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26380433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26380396 and 26380405.

It is not a weakly prime, because it can be changed into another prime (26380933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13190216 + 13190217.

It is an arithmetic number, because the mean of its divisors is an integer number (13190217).

Almost surely, 2^26380433 is an apocalyptic number.

It is an amenable number.

26380433 is a deficient number, since it is larger than the sum of its proper divisors (1).

26380433 is an equidigital number, since it uses as much as digits as its factorization.

26380433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 26380433 is about 5136.1885674107. The cubic root of 26380433 is about 297.6875281201.

Adding to 26380433 its reverse (33408362), we get a palindrome (59788795).

The spelling of 26380433 in words is "twenty-six million, three hundred eighty thousand, four hundred thirty-three".