513435413 has 4 divisors (see below), whose sum is σ = 513796140. Its totient is φ = 513074688.

The previous prime is 513435383. The next prime is 513435431. The reversal of 513435413 is 314534315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 123254404 + 390181009 = 11102^2 + 19753^2 .

It is a cyclic number.

It is not a de Polignac number, because 513435413 - 2¹⁴ = 513419029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513438413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178220 + ... + 181077.

It is an arithmetic number, because the mean of its divisors is an integer number (128449035).

Almost surely, 2^513435413 is an apocalyptic number.

It is an amenable number.

513435413 is a deficient number, since it is larger than the sum of its proper divisors (360727).

513435413 is a wasteful number, since it uses less digits than its factorization.

513435413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360726.

The product of its digits is 10800, while the sum is 29.

The square root of 513435413 is about 22659.1132439026. The cubic root of 513435413 is about 800.7469133710.

Adding to 513435413 its reverse (314534315), we get a palindrome (827969728).

The spelling of 513435413 in words is "five hundred thirteen million, four hundred thirty-five thousand, four hundred thirteen".