513126536 has 16 divisors (see below), whose sum is σ = 1036121100. Its totient is φ = 236827584.

The previous prime is 513126529. The next prime is 513126557. The reversal of 513126536 is 635621315.

It can be written as a sum of positive squares in 2 ways, for example, as 420004036 + 93122500 = 20494^2 + 9650^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2466851 + ... + 2467058.

Almost surely, 2^513126536 is an apocalyptic number.

It is an amenable number.

513126536 is an abundant number, since it is smaller than the sum of its proper divisors (522994564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513126536 is a wasteful number, since it uses less digits than its factorization.

513126536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933928 (or 4933924 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 513126536 is about 22652.2964840212. The cubic root of 513126536 is about 800.5863076991.

The spelling of 513126536 in words is "five hundred thirteen million, one hundred twenty-six thousand, five hundred thirty-six".