26278283 has 2 divisors, whose sum is σ = 26278284. Its totient is φ = 26278282.

The previous prime is 26278267. The next prime is 26278309. The reversal of 26278283 is 38287262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26278283 - 2⁴ = 26278267 is a prime.

It is not a weakly prime, because it can be changed into another prime (26278183) 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, 13139141 + 13139142.

It is an arithmetic number, because the mean of its divisors is an integer number (13139142).

Almost surely, 2^26278283 is an apocalyptic number.

26278283 is a deficient number, since it is larger than the sum of its proper divisors (1).

26278283 is an equidigital number, since it uses as much as digits as its factorization.

26278283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 38.

The square root of 26278283 is about 5126.2347780803. The cubic root of 26278283 is about 297.3027970689.

The spelling of 26278283 in words is "twenty-six million, two hundred seventy-eight thousand, two hundred eighty-three".