513143012 has 6 divisors (see below), whose sum is σ = 898000278. Its totient is φ = 256571504.

The previous prime is 513142991. The next prime is 513143027. The reversal of 513143012 is 210341315.

It can be written as a sum of positive squares in only one way, i.e., 455139556 + 58003456 = 21334^2 + 7616^2 .

It is a super-3 number, since 3×513143012³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64142873 + ... + 64142880.

It is an arithmetic number, because the mean of its divisors is an integer number (149666713).

Almost surely, 2^513143012 is an apocalyptic number.

It is an amenable number.

513143012 is a deficient number, since it is larger than the sum of its proper divisors (384857266).

513143012 is a wasteful number, since it uses less digits than its factorization.

513143012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128285757 (or 128285755 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 513143012 is about 22652.6601528386. The cubic root of 513143012 is about 800.5948762931.

Adding to 513143012 its reverse (210341315), we get a palindrome (723484327).

The spelling of 513143012 in words is "five hundred thirteen million, one hundred forty-three thousand, twelve".