513368285 has 8 divisors (see below), whose sum is σ = 616185816. Its totient is φ = 410598720.

The previous prime is 513368267. The next prime is 513368291. The reversal of 513368285 is 582863315.

It can be written as a sum of positive squares in 4 ways, for example, as 102860164 + 410508121 = 10142^2 + 20261^2 .

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

It is not a de Polignac number, because 513368285 - 2²² = 509173981 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, 18707 + ... + 37103.

It is an arithmetic number, because the mean of its divisors is an integer number (77023227).

Almost surely, 2^513368285 is an apocalyptic number.

It is an amenable number.

513368285 is a deficient number, since it is larger than the sum of its proper divisors (102817531).

513368285 is a wasteful number, since it uses less digits than its factorization.

513368285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23983.

The product of its digits is 172800, while the sum is 41.

The square root of 513368285 is about 22657.6319371641. The cubic root of 513368285 is about 800.7120145436.

The spelling of 513368285 in words is "five hundred thirteen million, three hundred sixty-eight thousand, two hundred eighty-five".