26791249 has 2 divisors, whose sum is σ = 26791250. Its totient is φ = 26791248.

The previous prime is 26791241. The next prime is 26791253. The reversal of 26791249 is 94219762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26625600 + 165649 = 5160^2 + 407^2 .

It is a cyclic number.

It is not a de Polignac number, because 26791249 - 2³ = 26791241 is a prime.

It is not a weakly prime, because it can be changed into another prime (26791241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13395624 + 13395625.

It is an arithmetic number, because the mean of its divisors is an integer number (13395625).

Almost surely, 2^26791249 is an apocalyptic number.

It is an amenable number.

26791249 is a deficient number, since it is larger than the sum of its proper divisors (1).

26791249 is an equidigital number, since it uses as much as digits as its factorization.

26791249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 26791249 is about 5176.0263716484. The cubic root of 26791249 is about 299.2248469993.

The spelling of 26791249 in words is "twenty-six million, seven hundred ninety-one thousand, two hundred forty-nine".