26450647 has 2 divisors, whose sum is σ = 26450648. Its totient is φ = 26450646.

The previous prime is 26450609. The next prime is 26450653. The reversal of 26450647 is 74605462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26450647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26450687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13225323 + 13225324.

It is an arithmetic number, because the mean of its divisors is an integer number (13225324).

Almost surely, 2^26450647 is an apocalyptic number.

26450647 is a deficient number, since it is larger than the sum of its proper divisors (1).

26450647 is an equidigital number, since it uses as much as digits as its factorization.

26450647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 26450647 is about 5143.0192494293. The cubic root of 26450647 is about 297.9514019214.

The spelling of 26450647 in words is "twenty-six million, four hundred fifty thousand, six hundred forty-seven".