5251213 has 4 divisors (see below), whose sum is σ = 5728608. Its totient is φ = 4773820.

The previous prime is 5251193. The next prime is 5251217. The reversal of 5251213 is 3121525.

5251213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5251213 - 2⁹ = 5250701 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 (5251217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238681 + ... + 238702.

It is an arithmetic number, because the mean of its divisors is an integer number (1432152).

Almost surely, 2^5251213 is an apocalyptic number.

It is an amenable number.

5251213 is a deficient number, since it is larger than the sum of its proper divisors (477395).

5251213 is a wasteful number, since it uses less digits than its factorization.

5251213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477394.

The product of its digits is 300, while the sum is 19.

The square root of 5251213 is about 2291.5525304911. The cubic root of 5251213 is about 173.8147166749.

Adding to 5251213 its reverse (3121525), we get a palindrome (8372738).

It can be divided in two parts, 52512 and 13, that added together give a palindrome (52525).

The spelling of 5251213 in words is "five million, two hundred fifty-one thousand, two hundred thirteen".