285960533 has 2 divisors, whose sum is σ = 285960534. Its totient is φ = 285960532.

The previous prime is 285960473. The next prime is 285960539. The reversal of 285960533 is 335069582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242175844 + 43784689 = 15562^2 + 6617^2 .

It is a cyclic number.

It is not a de Polignac number, because 285960533 - 2¹⁶ = 285894997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285960539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142980266 + 142980267.

It is an arithmetic number, because the mean of its divisors is an integer number (142980267).

Almost surely, 2^285960533 is an apocalyptic number.

It is an amenable number.

285960533 is a deficient number, since it is larger than the sum of its proper divisors (1).

285960533 is an equidigital number, since it uses as much as digits as its factorization.

285960533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 285960533 is about 16910.3676187125. The cubic root of 285960533 is about 658.8229195780.

The spelling of 285960533 in words is "two hundred eighty-five million, nine hundred sixty thousand, five hundred thirty-three".