5230665613 has 4 divisors (see below), whose sum is σ = 5230817788. Its totient is φ = 5230513440.

The previous prime is 5230665581. The next prime is 5230665659. The reversal of 5230665613 is 3165660325.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2085474889 + 3145190724 = 45667^2 + 56082^2 .

It is a cyclic number.

It is not a de Polignac number, because 5230665613 - 2⁵ = 5230665581 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 (5230665683) 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, 2593 + ... + 102313.

It is an arithmetic number, because the mean of its divisors is an integer number (1307704447).

Almost surely, 2^5230665613 is an apocalyptic number.

It is an amenable number.

5230665613 is a deficient number, since it is larger than the sum of its proper divisors (152175).

5230665613 is an equidigital number, since it uses as much as digits as its factorization.

5230665613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152174.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 5230665613 is about 72323.3407206830. The cubic root of 5230665613 is about 1735.8771473520.

The spelling of 5230665613 in words is "five billion, two hundred thirty million, six hundred sixty-five thousand, six hundred thirteen".