513701613 has 36 divisors (see below), whose sum is σ = 795450240. Its totient is φ = 318574512.

The previous prime is 513701611. The next prime is 513701641. The reversal of 513701613 is 316107315.

It is not a de Polignac number, because 513701613 - 2¹ = 513701611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513701611) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 594820 + ... + 595682.

It is an arithmetic number, because the mean of its divisors is an integer number (22095840).

Almost surely, 2^513701613 is an apocalyptic number.

It is an amenable number.

513701613 is a deficient number, since it is larger than the sum of its proper divisors (281748627).

513701613 is a wasteful number, since it uses less digits than its factorization.

513701613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 513701613 is about 22664.9864990033. The cubic root of 513701613 is about 800.8852767658.

Adding to 513701613 its reverse (316107315), we get a palindrome (829808928).

The spelling of 513701613 in words is "five hundred thirteen million, seven hundred one thousand, six hundred thirteen".