287859041 has 2 divisors, whose sum is σ = 287859042. Its totient is φ = 287859040.

The previous prime is 287859031. The next prime is 287859049. The reversal of 287859041 is 140958782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284900641 + 2958400 = 16879^2 + 1720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-287859041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 287858983 and 287859001.

It is not a weakly prime, because it can be changed into another prime (287859049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143929520 + 143929521.

It is an arithmetic number, because the mean of its divisors is an integer number (143929521).

Almost surely, 2^287859041 is an apocalyptic number.

It is an amenable number.

287859041 is a deficient number, since it is larger than the sum of its proper divisors (1).

287859041 is an equidigital number, since it uses as much as digits as its factorization.

287859041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 287859041 is about 16966.4091958198. The cubic root of 287859041 is about 660.2776922978.

The spelling of 287859041 in words is "two hundred eighty-seven million, eight hundred fifty-nine thousand, forty-one".