26438353 has 2 divisors, whose sum is σ = 26438354. Its totient is φ = 26438352.

The previous prime is 26438333. The next prime is 26438369. The reversal of 26438353 is 35383462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26132544 + 305809 = 5112^2 + 553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26438353 is a prime.

It is not a weakly prime, because it can be changed into another prime (26438303) 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, 13219176 + 13219177.

It is an arithmetic number, because the mean of its divisors is an integer number (13219177).

Almost surely, 2^26438353 is an apocalyptic number.

It is an amenable number.

26438353 is a deficient number, since it is larger than the sum of its proper divisors (1).

26438353 is an equidigital number, since it uses as much as digits as its factorization.

26438353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 34.

The square root of 26438353 is about 5141.8238981902. The cubic root of 26438353 is about 297.9052331429.

The spelling of 26438353 in words is "twenty-six million, four hundred thirty-eight thousand, three hundred fifty-three".