285959629 has 2 divisors, whose sum is σ = 285959630. Its totient is φ = 285959628.

The previous prime is 285959627. The next prime is 285959693. The reversal of 285959629 is 926959582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178837129 + 107122500 = 13373^2 + 10350^2 .

It is a cyclic number.

It is not a de Polignac number, because 285959629 - 2¹ = 285959627 is a prime.

Together with 285959627, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 285959629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285959627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142979814 + 142979815.

It is an arithmetic number, because the mean of its divisors is an integer number (142979815).

Almost surely, 2^285959629 is an apocalyptic number.

It is an amenable number.

285959629 is a deficient number, since it is larger than the sum of its proper divisors (1).

285959629 is an equidigital number, since it uses as much as digits as its factorization.

285959629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3499200, while the sum is 55.

The square root of 285959629 is about 16910.3408895267. The cubic root of 285959629 is about 658.8222253371.

The spelling of 285959629 in words is "two hundred eighty-five million, nine hundred fifty-nine thousand, six hundred twenty-nine".