51996713 has 2 divisors, whose sum is σ = 51996714. Its totient is φ = 51996712.

The previous prime is 51996701. The next prime is 51996731. The reversal of 51996713 is 31769915.

Together with next prime (51996731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30946969 + 21049744 = 5563^2 + 4588^2 .

It is a cyclic number.

It is not a de Polignac number, because 51996713 - 2⁴ = 51996697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51996793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25998356 + 25998357.

It is an arithmetic number, because the mean of its divisors is an integer number (25998357).

Almost surely, 2^51996713 is an apocalyptic number.

It is an amenable number.

51996713 is a deficient number, since it is larger than the sum of its proper divisors (1).

51996713 is an equidigital number, since it uses as much as digits as its factorization.

51996713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 41.

The square root of 51996713 is about 7210.8746348831. The cubic root of 51996713 is about 373.2432509236.

The spelling of 51996713 in words is "fifty-one million, nine hundred ninety-six thousand, seven hundred thirteen".