286248461 has 2 divisors, whose sum is σ = 286248462. Its totient is φ = 286248460.

The previous prime is 286248449. The next prime is 286248517. The reversal of 286248461 is 164842682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201498025 + 84750436 = 14195^2 + 9206^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-286248461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (286248421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143124230 + 143124231.

It is an arithmetic number, because the mean of its divisors is an integer number (143124231).

Almost surely, 2^286248461 is an apocalyptic number.

It is an amenable number.

286248461 is a deficient number, since it is larger than the sum of its proper divisors (1).

286248461 is an equidigital number, since it uses as much as digits as its factorization.

286248461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 41.

The square root of 286248461 is about 16918.8788340126. The cubic root of 286248461 is about 659.0439639916.

The spelling of 286248461 in words is "two hundred eighty-six million, two hundred forty-eight thousand, four hundred sixty-one".