5220751 has 4 divisors (see below), whose sum is σ = 5527872. Its totient is φ = 4913632.

The previous prime is 5220749. The next prime is 5220767. The reversal of 5220751 is 1570225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5220751 - 2¹ = 5220749 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220731) 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, 153535 + ... + 153568.

It is an arithmetic number, because the mean of its divisors is an integer number (1381968).

Almost surely, 2^5220751 is an apocalyptic number.

5220751 is a deficient number, since it is larger than the sum of its proper divisors (307121).

5220751 is a wasteful number, since it uses less digits than its factorization.

5220751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307120.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 5220751 is about 2284.8962777334. The cubic root of 5220751 is about 173.4779681182.

Adding to 5220751 its reverse (1570225), we get a palindrome (6790976).

The spelling of 5220751 in words is "five million, two hundred twenty thousand, seven hundred fifty-one".