5251273 has 2 divisors, whose sum is σ = 5251274. Its totient is φ = 5251272.

The previous prime is 5251271. The next prime is 5251331. The reversal of 5251273 is 3721525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4112784 + 1138489 = 2028^2 + 1067^2 .

It is a cyclic number.

It is not a de Polignac number, because 5251273 - 2¹ = 5251271 is a prime.

Together with 5251271, it forms a pair of twin primes.

5251273 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5251271) 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, 2625636 + 2625637.

It is an arithmetic number, because the mean of its divisors is an integer number (2625637).

Almost surely, 2^5251273 is an apocalyptic number.

It is an amenable number.

5251273 is a deficient number, since it is larger than the sum of its proper divisors (1).

5251273 is an equidigital number, since it uses as much as digits as its factorization.

5251273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100, while the sum is 25.

The square root of 5251273 is about 2291.5656220148. The cubic root of 5251273 is about 173.8153786707.

Adding to 5251273 its reverse (3721525), we get a palindrome (8972798).

The spelling of 5251273 in words is "five million, two hundred fifty-one thousand, two hundred seventy-three".