286610641 has 2 divisors, whose sum is σ = 286610642. Its totient is φ = 286610640.

The previous prime is 286610617. The next prime is 286610647. The reversal of 286610641 is 146016682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286591041 + 19600 = 16929^2 + 140^2 .

It is a cyclic number.

It is not a de Polignac number, because 286610641 - 2²³ = 278222033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 286610597 and 286610606.

It is not a weakly prime, because it can be changed into another prime (286610647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143305320 + 143305321.

It is an arithmetic number, because the mean of its divisors is an integer number (143305321).

Almost surely, 2^286610641 is an apocalyptic number.

It is an amenable number.

286610641 is a deficient number, since it is larger than the sum of its proper divisors (1).

286610641 is an equidigital number, since it uses as much as digits as its factorization.

286610641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 286610641 is about 16929.5788784010. The cubic root of 286610641 is about 659.3218018101.

The spelling of 286610641 in words is "two hundred eighty-six million, six hundred ten thousand, six hundred forty-one".