5122512313 has 8 divisors (see below), whose sum is σ = 5159274120. Its totient is φ = 5085843840.

The previous prime is 5122512293. The next prime is 5122512349. The reversal of 5122512313 is 3132152215.

It can be written as a sum of positive squares in 4 ways, for example, as 123032464 + 4999479849 = 11092^2 + 70707^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5122512313 - 2¹⁷ = 5122381241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5122512383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88743 + ... + 134611.

It is an arithmetic number, because the mean of its divisors is an integer number (644909265).

Almost surely, 2^5122512313 is an apocalyptic number.

It is an amenable number.

5122512313 is a deficient number, since it is larger than the sum of its proper divisors (36761807).

5122512313 is a wasteful number, since it uses less digits than its factorization.

5122512313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46667.

The product of its digits is 1800, while the sum is 25.

The square root of 5122512313 is about 71571.7284477607. The cubic root of 5122512313 is about 1723.8296129225.

Adding to 5122512313 its reverse (3132152215), we get a palindrome (8254664528).

The spelling of 5122512313 in words is "five billion, one hundred twenty-two million, five hundred twelve thousand, three hundred thirteen".