26824481 has 2 divisors, whose sum is σ = 26824482. Its totient is φ = 26824480.

The previous prime is 26824471. The next prime is 26824513. The reversal of 26824481 is 18442862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25806400 + 1018081 = 5080^2 + 1009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26824481 is a prime.

It is a super-2 number, since 2×26824481² = 1439105561838722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26824471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13412240 + 13412241.

It is an arithmetic number, because the mean of its divisors is an integer number (13412241).

Almost surely, 2^26824481 is an apocalyptic number.

It is an amenable number.

26824481 is a deficient number, since it is larger than the sum of its proper divisors (1).

26824481 is an equidigital number, since it uses as much as digits as its factorization.

26824481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 35.

The square root of 26824481 is about 5179.2355613546. The cubic root of 26824481 is about 299.3485158819.

The spelling of 26824481 in words is "twenty-six million, eight hundred twenty-four thousand, four hundred eighty-one".