286272247 has 2 divisors, whose sum is σ = 286272248. Its totient is φ = 286272246.

The previous prime is 286272227. The next prime is 286272313. The reversal of 286272247 is 742272682.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-286272247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (286272227) 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, 143136123 + 143136124.

It is an arithmetic number, because the mean of its divisors is an integer number (143136124).

Almost surely, 2^286272247 is an apocalyptic number.

286272247 is a deficient number, since it is larger than the sum of its proper divisors (1).

286272247 is an equidigital number, since it uses as much as digits as its factorization.

286272247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150528, while the sum is 40.

The square root of 286272247 is about 16919.5817619704. The cubic root of 286272247 is about 659.0622180467.

The spelling of 286272247 in words is "two hundred eighty-six million, two hundred seventy-two thousand, two hundred forty-seven".