26947049 has 2 divisors, whose sum is σ = 26947050. Its totient is φ = 26947048.

The previous prime is 26947033. The next prime is 26947051. The reversal of 26947049 is 94074962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20187049 + 6760000 = 4493^2 + 2600^2 .

It is a cyclic number.

It is not a de Polignac number, because 26947049 - 2⁴ = 26947033 is a prime.

It is a super-2 number, since 2×26947049² = 1452286899616802, which contains 22 as substring.

Together with 26947051, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1679936 and since 26947049 and 1679936 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 26946997 and 26947015.

It is not a weakly prime, because it can be changed into another prime (26947069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13473524 + 13473525.

It is an arithmetic number, because the mean of its divisors is an integer number (13473525).

Almost surely, 2^26947049 is an apocalyptic number.

It is an amenable number.

26947049 is a deficient number, since it is larger than the sum of its proper divisors (1).

26947049 is an equidigital number, since it uses as much as digits as its factorization.

26947049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 26947049 is about 5191.0547097868. The cubic root of 26947049 is about 299.8037568419.

The spelling of 26947049 in words is "twenty-six million, nine hundred forty-seven thousand, forty-nine".