26953247 has 2 divisors, whose sum is σ = 26953248. Its totient is φ = 26953246.

The previous prime is 26953237. The next prime is 26953249. The reversal of 26953247 is 74235962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26953247 - 2⁶ = 26953183 is a prime.

Together with 26953249, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26953247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26953249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13476623 + 13476624.

It is an arithmetic number, because the mean of its divisors is an integer number (13476624).

Almost surely, 2^26953247 is an apocalyptic number.

26953247 is a deficient number, since it is larger than the sum of its proper divisors (1).

26953247 is an equidigital number, since it uses as much as digits as its factorization.

26953247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 26953247 is about 5191.6516639698. The cubic root of 26953247 is about 299.8267406974.

The spelling of 26953247 in words is "twenty-six million, nine hundred fifty-three thousand, two hundred forty-seven".