5251217 has 2 divisors, whose sum is σ = 5251218. Its totient is φ = 5251216.

The previous prime is 5251193. The next prime is 5251229. The reversal of 5251217 is 7121525.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4596736 + 654481 = 2144^2 + 809^2 .

It is a cyclic number.

It is not a de Polignac number, because 5251217 - 2⁸ = 5250961 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5251192 and 5251201.

It is not a weakly prime, because it can be changed into another prime (5251237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625608 + 2625609.

It is an arithmetic number, because the mean of its divisors is an integer number (2625609).

Almost surely, 2^5251217 is an apocalyptic number.

It is an amenable number.

5251217 is a deficient number, since it is larger than the sum of its proper divisors (1).

5251217 is an equidigital number, since it uses as much as digits as its factorization.

5251217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 700, while the sum is 23.

The square root of 5251217 is about 2291.5534032616. The cubic root of 5251217 is about 173.8147608081.

The spelling of 5251217 in words is "five million, two hundred fifty-one thousand, two hundred seventeen".