26998249 has 2 divisors, whose sum is σ = 26998250. Its totient is φ = 26998248.

The previous prime is 26998243. The next prime is 26998277. The reversal of 26998249 is 94289962.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24651225 + 2347024 = 4965^2 + 1532^2 .

It is a cyclic number.

It is not a de Polignac number, because 26998249 - 2⁷ = 26998121 is a prime.

It is not a weakly prime, because it can be changed into another prime (26998243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13499124 + 13499125.

It is an arithmetic number, because the mean of its divisors is an integer number (13499125).

Almost surely, 2^26998249 is an apocalyptic number.

It is an amenable number.

26998249 is a deficient number, since it is larger than the sum of its proper divisors (1).

26998249 is an equidigital number, since it uses as much as digits as its factorization.

26998249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 49.

The square root of 26998249 is about 5195.9839299213. The cubic root of 26998249 is about 299.9935146746.

The spelling of 26998249 in words is "twenty-six million, nine hundred ninety-eight thousand, two hundred forty-nine".