513286085 has 8 divisors (see below), whose sum is σ = 663323640. Its totient is φ = 379041984.

The previous prime is 513286069. The next prime is 513286091. The reversal of 513286085 is 580682315.

It can be written as a sum of positive squares in 4 ways, for example, as 82369 + 513203716 = 287^2 + 22654^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 513286085 - 2⁴ = 513286069 is a prime.

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, 3948290 + ... + 3948419.

It is an arithmetic number, because the mean of its divisors is an integer number (82915455).

Almost surely, 2^513286085 is an apocalyptic number.

It is an amenable number.

513286085 is a deficient number, since it is larger than the sum of its proper divisors (150037555).

513286085 is a wasteful number, since it uses less digits than its factorization.

513286085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7896727.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 513286085 is about 22655.8179062244. The cubic root of 513286085 is about 800.6692758686.

The spelling of 513286085 in words is "five hundred thirteen million, two hundred eighty-six thousand, eighty-five".