26994971 has 2 divisors, whose sum is σ = 26994972. Its totient is φ = 26994970.

The previous prime is 26994949. The next prime is 26994983. The reversal of 26994971 is 17949962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26994971 - 2⁶ = 26994907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26994901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13497485 + 13497486.

It is an arithmetic number, because the mean of its divisors is an integer number (13497486).

Almost surely, 2^26994971 is an apocalyptic number.

26994971 is a deficient number, since it is larger than the sum of its proper divisors (1).

26994971 is an equidigital number, since it uses as much as digits as its factorization.

26994971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 47.

The square root of 26994971 is about 5195.6684844205. The cubic root of 26994971 is about 299.9813729175.

The spelling of 26994971 in words is "twenty-six million, nine hundred ninety-four thousand, nine hundred seventy-one".