5200621 has 4 divisors (see below), whose sum is σ = 5207200. Its totient is φ = 5194044.

The previous prime is 5200579. The next prime is 5200627. The reversal of 5200621 is 1260025.

It is a happy number.

5200621 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 5200621 - 2⁷ = 5200493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5200595 and 5200604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5200627) 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, 1911 + ... + 3748.

It is an arithmetic number, because the mean of its divisors is an integer number (1301800).

Almost surely, 2^5200621 is an apocalyptic number.

It is an amenable number.

5200621 is a deficient number, since it is larger than the sum of its proper divisors (6579).

5200621 is an equidigital number, since it uses as much as digits as its factorization.

5200621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6578.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 5200621 is about 2280.4870093908. The cubic root of 5200621 is about 173.2547173896.

Adding to 5200621 its reverse (1260025), we get a palindrome (6460646).

The spelling of 5200621 in words is "five million, two hundred thousand, six hundred twenty-one".