26450447 has 2 divisors, whose sum is σ = 26450448. Its totient is φ = 26450446.

The previous prime is 26450429. The next prime is 26450477. The reversal of 26450447 is 74405462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26450447 - 2¹⁴ = 26434063 is a prime.

It is a super-2 number, since 2×26450447² = 1399252292999618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26450477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13225223 + 13225224.

It is an arithmetic number, because the mean of its divisors is an integer number (13225224).

Almost surely, 2^26450447 is an apocalyptic number.

26450447 is a deficient number, since it is larger than the sum of its proper divisors (1).

26450447 is an equidigital number, since it uses as much as digits as its factorization.

26450447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 26450447 is about 5142.9998055610. Note that the first 3 decimals coincide. The cubic root of 26450447 is about 297.9506509577.

The spelling of 26450447 in words is "twenty-six million, four hundred fifty thousand, four hundred forty-seven".