513616133 has 4 divisors (see below), whose sum is σ = 515016000. Its totient is φ = 512216268.

The previous prime is 513616109. The next prime is 513616139. The reversal of 513616133 is 331616315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331616315 = 5 ⋅66323263.

It is a cyclic number.

It is not a de Polignac number, because 513616133 - 2¹² = 513612037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513616096 and 513616105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513616139) 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, 699383 + ... + 700116.

It is an arithmetic number, because the mean of its divisors is an integer number (128754000).

Almost surely, 2^513616133 is an apocalyptic number.

It is an amenable number.

513616133 is a deficient number, since it is larger than the sum of its proper divisors (1399867).

513616133 is a wasteful number, since it uses less digits than its factorization.

513616133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399866.

The product of its digits is 4860, while the sum is 29.

The square root of 513616133 is about 22663.1006925354. The cubic root of 513616133 is about 800.8408518381.

The spelling of 513616133 in words is "five hundred thirteen million, six hundred sixteen thousand, one hundred thirty-three".