5251241 has 2 divisors, whose sum is σ = 5251242. Its totient is φ = 5251240.

The previous prime is 5251237. The next prime is 5251247. The reversal of 5251241 is 1421525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5107600 + 143641 = 2260^2 + 379^2 .

It is a cyclic number.

It is not a de Polignac number, because 5251241 - 2² = 5251237 is a prime.

It is a super-3 number, since 3×5251241³ (a number of 21 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5251247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625620 + 2625621.

It is an arithmetic number, because the mean of its divisors is an integer number (2625621).

Almost surely, 2^5251241 is an apocalyptic number.

It is an amenable number.

5251241 is a deficient number, since it is larger than the sum of its proper divisors (1).

5251241 is an equidigital number, since it uses as much as digits as its factorization.

5251241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 400, while the sum is 20.

The square root of 5251241 is about 2291.5586398781. The cubic root of 5251241 is about 173.8150256069.

Adding to 5251241 its reverse (1421525), we get a palindrome (6672766).

The spelling of 5251241 in words is "five million, two hundred fifty-one thousand, two hundred forty-one".