287231284601 has 2 divisors, whose sum is σ = 287231284602. Its totient is φ = 287231284600.

The previous prime is 287231284573. The next prime is 287231284619. The reversal of 287231284601 is 106482132782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145237972201 + 141993312400 = 381101^2 + 376820^2 .

It is a cyclic number.

It is not a de Polignac number, because 287231284601 - 2¹⁴ = 287231268217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (287231284651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143615642300 + 143615642301.

It is an arithmetic number, because the mean of its divisors is an integer number (143615642301).

Almost surely, 2^287231284601 is an apocalyptic number.

It is an amenable number.

287231284601 is a deficient number, since it is larger than the sum of its proper divisors (1).

287231284601 is an equidigital number, since it uses as much as digits as its factorization.

287231284601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 287231284601 in words is "two hundred eighty-seven billion, two hundred thirty-one million, two hundred eighty-four thousand, six hundred one".