513533113 has 4 divisors (see below), whose sum is σ = 513665280. Its totient is φ = 513400948.

The previous prime is 513533107. The next prime is 513533123. The reversal of 513533113 is 311335315.

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: 311335315 = 5 ⋅62267063.

It is a cyclic number.

It is not a de Polignac number, because 513533113 - 2⁵ = 513533081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513533123) 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, 60073 + ... + 68086.

It is an arithmetic number, because the mean of its divisors is an integer number (128416320).

Almost surely, 2^513533113 is an apocalyptic number.

It is an amenable number.

513533113 is a deficient number, since it is larger than the sum of its proper divisors (132167).

513533113 is a wasteful number, since it uses less digits than its factorization.

513533113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132166.

The product of its digits is 2025, while the sum is 25.

The square root of 513533113 is about 22661.2690068319. The cubic root of 513533113 is about 800.7977006818.

Adding to 513533113 its reverse (311335315), we get a palindrome (824868428).

The spelling of 513533113 in words is "five hundred thirteen million, five hundred thirty-three thousand, one hundred thirteen".