5121530513 has 8 divisors (see below), whose sum is σ = 5588034816. Its totient is φ = 4655178000.

The previous prime is 5121530507. The next prime is 5121530573. The reversal of 5121530513 is 3150351215.

It is a happy number.

5121530513 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5121530513 - 2¹⁶ = 5121464977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5121530573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39488 + ... + 108638.

It is an arithmetic number, because the mean of its divisors is an integer number (698504352).

Almost surely, 2^5121530513 is an apocalyptic number.

It is an amenable number.

5121530513 is a deficient number, since it is larger than the sum of its proper divisors (466504303).

5121530513 is a wasteful number, since it uses less digits than its factorization.

5121530513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75895.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 5121530513 is about 71564.8692655831. The cubic root of 5121530513 is about 1723.7194739940.

Adding to 5121530513 its reverse (3150351215), we get a palindrome (8271881728).

The spelling of 5121530513 in words is "five billion, one hundred twenty-one million, five hundred thirty thousand, five hundred thirteen".