513660734 has 16 divisors (see below), whose sum is σ = 774711168. Its totient is φ = 255427992.

The previous prime is 513660733. The next prime is 513660761. The reversal of 513660734 is 437066315.

It is a junction number, because it is equal to n+sod(n) for n = 513660694 and 513660703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513660733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482687 + ... + 483749.

It is an arithmetic number, because the mean of its divisors is an integer number (48419448).

Almost surely, 2^513660734 is an apocalyptic number.

513660734 is a deficient number, since it is larger than the sum of its proper divisors (261050434).

513660734 is a wasteful number, since it uses less digits than its factorization.

513660734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 513660734 is about 22664.0846715679. The cubic root of 513660734 is about 800.8640320997.

The spelling of 513660734 in words is "five hundred thirteen million, six hundred sixty thousand, seven hundred thirty-four".