286530213 has 8 divisors (see below), whose sum is σ = 382127488. Its totient is φ = 190976544.

The previous prime is 286530191. The next prime is 286530221. The reversal of 286530213 is 312035682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 286530213 - 2⁶ = 286530149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286530313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10356 + ... + 26082.

It is an arithmetic number, because the mean of its divisors is an integer number (47765936).

Almost surely, 2^286530213 is an apocalyptic number.

It is an amenable number.

286530213 is a deficient number, since it is larger than the sum of its proper divisors (95597275).

286530213 is a wasteful number, since it uses less digits than its factorization.

286530213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21803.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 286530213 is about 16927.2033425489. The cubic root of 286530213 is about 659.2601235990.

Adding to 286530213 its reverse (312035682), we get a palindrome (598565895).

The spelling of 286530213 in words is "two hundred eighty-six million, five hundred thirty thousand, two hundred thirteen".