5251313 has 4 divisors (see below), whose sum is σ = 5265408. Its totient is φ = 5237220.

The previous prime is 5251273. The next prime is 5251331. The reversal of 5251313 is 3131525.

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 not a de Polignac number, because 5251313 - 2¹² = 5247217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5251333) 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, 6473 + ... + 7238.

It is an arithmetic number, because the mean of its divisors is an integer number (1316352).

Almost surely, 2^5251313 is an apocalyptic number.

It is an amenable number.

5251313 is a deficient number, since it is larger than the sum of its proper divisors (14095).

5251313 is a wasteful number, since it uses less digits than its factorization.

5251313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14094.

The product of its digits is 450, while the sum is 20.

The square root of 5251313 is about 2291.5743496557. The cubic root of 5251313 is about 173.8158199985.

Adding to 5251313 its reverse (3131525), we get a palindrome (8382838).

The spelling of 5251313 in words is "five million, two hundred fifty-one thousand, three hundred thirteen".