5115013213 has 4 divisors (see below), whose sum is σ = 5115640060. Its totient is φ = 5114386368.

The previous prime is 5115013207. The next prime is 5115013283. The reversal of 5115013213 is 3123105115.

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 2409140889 + 2705872324 = 49083^2 + 52018^2 .

It is a cyclic number.

It is not a de Polignac number, because 5115013213 - 2⁵ = 5115013181 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 (5115013283) 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, 301020 + ... + 317557.

It is an arithmetic number, because the mean of its divisors is an integer number (1278910015).

Almost surely, 2^5115013213 is an apocalyptic number.

It is an amenable number.

5115013213 is a deficient number, since it is larger than the sum of its proper divisors (626847).

5115013213 is an equidigital number, since it uses as much as digits as its factorization.

5115013213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626846.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 5115013213 is about 71519.3205574550. The cubic root of 5115013213 is about 1722.9880021895.

Adding to 5115013213 its reverse (3123105115), we get a palindrome (8238118328).

The spelling of 5115013213 in words is "five billion, one hundred fifteen million, thirteen thousand, two hundred thirteen".