5251428313 has 4 divisors (see below), whose sum is σ = 5277817600. Its totient is φ = 5225039028.

The previous prime is 5251428307. The next prime is 5251428341. The reversal of 5251428313 is 3138241525.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5251428313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5251428353) 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 3 ways as a sum of consecutive naturals, for example, 13194345 + ... + 13194742.

It is an arithmetic number, because the mean of its divisors is an integer number (1319454400).

Almost surely, 2^5251428313 is an apocalyptic number.

It is an amenable number.

5251428313 is a deficient number, since it is larger than the sum of its proper divisors (26389287).

5251428313 is a wasteful number, since it uses less digits than its factorization.

5251428313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26389286.

The product of its digits is 28800, while the sum is 34.

The square root of 5251428313 is about 72466.7393567559. The cubic root of 5251428313 is about 1738.1709225660.

Adding to 5251428313 its reverse (3138241525), we get a palindrome (8389669838).

The spelling of 5251428313 in words is "five billion, two hundred fifty-one million, four hundred twenty-eight thousand, three hundred thirteen".