513345032 has 16 divisors (see below), whose sum is σ = 962763900. Its totient is φ = 256608000.

The previous prime is 513345031. The next prime is 513345047. The reversal of 513345032 is 230543315.

It can be written as a sum of positive squares in 2 ways, for example, as 507420676 + 5924356 = 22526^2 + 2434^2 .

It is a junction number, because it is equal to n+sod(n) for n = 513344992 and 513345010.

It is not an unprimeable number, because it can be changed into a prime (513345031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52532 + ... + 61532.

Almost surely, 2^513345032 is an apocalyptic number.

It is an amenable number.

513345032 is a deficient number, since it is larger than the sum of its proper divisors (449418868).

513345032 is a wasteful number, since it uses less digits than its factorization.

513345032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16136 (or 16132 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 513345032 is about 22657.1187929975. The cubic root of 513345032 is about 800.6999249527.

Adding to 513345032 its reverse (230543315), we get a palindrome (743888347).

The spelling of 513345032 in words is "five hundred thirteen million, three hundred forty-five thousand, thirty-two".