513107732 has 6 divisors (see below), whose sum is σ = 897938538. Its totient is φ = 256553864.

The previous prime is 513107731. The next prime is 513107737. The reversal of 513107732 is 237701315.

It can be written as a sum of positive squares in only one way, i.e., 486026116 + 27081616 = 22046^2 + 5204^2 .

It is a junction number, because it is equal to n+sod(n) for n = 513107695 and 513107704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513107731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64138463 + ... + 64138470.

It is an arithmetic number, because the mean of its divisors is an integer number (149656423).

Almost surely, 2^513107732 is an apocalyptic number.

It is an amenable number.

513107732 is a deficient number, since it is larger than the sum of its proper divisors (384830806).

513107732 is a wasteful number, since it uses less digits than its factorization.

513107732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128276937 (or 128276935 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 513107732 is about 22651.8814229635. The cubic root of 513107732 is about 800.5765281693.

The spelling of 513107732 in words is "five hundred thirteen million, one hundred seven thousand, seven hundred thirty-two".