5220251 has 2 divisors, whose sum is σ = 5220252. Its totient is φ = 5220250.

The previous prime is 5220247. The next prime is 5220277. The reversal of 5220251 is 1520225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5220251 - 2² = 5220247 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5220211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610125 + 2610126.

It is an arithmetic number, because the mean of its divisors is an integer number (2610126).

Almost surely, 2^5220251 is an apocalyptic number.

5220251 is a deficient number, since it is larger than the sum of its proper divisors (1).

5220251 is an equidigital number, since it uses as much as digits as its factorization.

5220251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 5220251 is about 2284.7868609566. The cubic root of 5220251 is about 173.4724298503.

Adding to 5220251 its reverse (1520225), we get a palindrome (6740476).

The spelling of 5220251 in words is "five million, two hundred twenty thousand, two hundred fifty-one".