283057085 has 8 divisors (see below), whose sum is σ = 340174296. Its totient is φ = 226108480.

The previous prime is 283057009. The next prime is 283057091. The reversal of 283057085 is 580750382.

It can be written as a sum of positive squares in 4 ways, for example, as 209062681 + 73994404 = 14459^2 + 8602^2 .

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

It is not a de Polignac number, because 283057085 - 2¹⁶ = 282991549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38426 + ... + 45195.

It is an arithmetic number, because the mean of its divisors is an integer number (42521787).

Almost surely, 2^283057085 is an apocalyptic number.

It is an amenable number.

283057085 is a deficient number, since it is larger than the sum of its proper divisors (57117211).

283057085 is an equidigital number, since it uses as much as digits as its factorization.

283057085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84303.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 283057085 is about 16824.3004312215. The cubic root of 283057085 is about 656.5855842523.

The spelling of 283057085 in words is "two hundred eighty-three million, fifty-seven thousand, eighty-five".