286642271 has 2 divisors, whose sum is σ = 286642272. Its totient is φ = 286642270.

The previous prime is 286642259. The next prime is 286642283. The reversal of 286642271 is 172246682.

It is a balanced prime because it is at equal distance from previous prime (286642259) and next prime (286642283).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-286642271 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 (286642201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143321135 + 143321136.

It is an arithmetic number, because the mean of its divisors is an integer number (143321136).

Almost surely, 2^286642271 is an apocalyptic number.

286642271 is a deficient number, since it is larger than the sum of its proper divisors (1).

286642271 is an equidigital number, since it uses as much as digits as its factorization.

286642271 is an evil number, because the sum of its binary digits is even.

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

The square root of 286642271 is about 16930.5130164446. The cubic root of 286642271 is about 659.3460549006.

The spelling of 286642271 in words is "two hundred eighty-six million, six hundred forty-two thousand, two hundred seventy-one".