286530061 has 2 divisors, whose sum is σ = 286530062. Its totient is φ = 286530060.

The previous prime is 286530043. The next prime is 286530103. The reversal of 286530061 is 160035682.

It is the 6911-st star number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272052036 + 14478025 = 16494^2 + 3805^2 .

It is a cyclic number.

It is not a de Polignac number, because 286530061 - 2²³ = 278141453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (286530011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143265030 + 143265031.

It is an arithmetic number, because the mean of its divisors is an integer number (143265031).

Almost surely, 2^286530061 is an apocalyptic number.

It is an amenable number.

286530061 is a deficient number, since it is larger than the sum of its proper divisors (1).

286530061 is an equidigital number, since it uses as much as digits as its factorization.

286530061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 286530061 is about 16927.1988527340. The cubic root of 286530061 is about 659.2600070231.

The spelling of 286530061 in words is "two hundred eighty-six million, five hundred thirty thousand, sixty-one".