51252713 has 2 divisors, whose sum is σ = 51252714. Its totient is φ = 51252712.

The previous prime is 51252673. The next prime is 51252727. The reversal of 51252713 is 31725215.

51252713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46199209 + 5053504 = 6797^2 + 2248^2 .

It is a cyclic number.

It is not a de Polignac number, because 51252713 - 2⁸ = 51252457 is a prime.

It is not a weakly prime, because it can be changed into another prime (51252793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25626356 + 25626357.

It is an arithmetic number, because the mean of its divisors is an integer number (25626357).

Almost surely, 2^51252713 is an apocalyptic number.

It is an amenable number.

51252713 is a deficient number, since it is larger than the sum of its proper divisors (1).

51252713 is an equidigital number, since it uses as much as digits as its factorization.

51252713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100, while the sum is 26.

The square root of 51252713 is about 7159.1000132698. The cubic root of 51252713 is about 371.4544963519.

Adding to 51252713 its reverse (31725215), we get a palindrome (82977928).

The spelling of 51252713 in words is "fifty-one million, two hundred fifty-two thousand, seven hundred thirteen".