5051213 has 4 divisors (see below), whose sum is σ = 5096028. Its totient is φ = 5006400.

The previous prime is 5051209. The next prime is 5051219. The reversal of 5051213 is 3121505.

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 24649 + 5026564 = 157^2 + 2242^2 .

It is a cyclic number.

It is not a de Polignac number, because 5051213 - 2² = 5051209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5051191 and 5051200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5051219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22238 + ... + 22463.

It is an arithmetic number, because the mean of its divisors is an integer number (1274007).

Almost surely, 2^5051213 is an apocalyptic number.

It is an amenable number.

5051213 is a deficient number, since it is larger than the sum of its proper divisors (44815).

5051213 is a wasteful number, since it uses less digits than its factorization.

5051213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44814.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 5051213 is about 2247.4903781774. The cubic root of 5051213 is about 171.5794326427.

Adding to 5051213 its reverse (3121505), we get a palindrome (8172718).

It can be divided in two parts, 50512 and 13, that multiplied together give a palindrome (656656).

The spelling of 5051213 in words is "five million, fifty-one thousand, two hundred thirteen".