51846713 has 2 divisors, whose sum is σ = 51846714. Its totient is φ = 51846712.

The previous prime is 51846703. The next prime is 51846721. The reversal of 51846713 is 31764815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51380224 + 466489 = 7168^2 + 683^2 .

It is a cyclic number.

It is not a de Polignac number, because 51846713 - 2¹² = 51842617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (51846703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25923356 + 25923357.

It is an arithmetic number, because the mean of its divisors is an integer number (25923357).

Almost surely, 2^51846713 is an apocalyptic number.

It is an amenable number.

51846713 is a deficient number, since it is larger than the sum of its proper divisors (1).

51846713 is an equidigital number, since it uses as much as digits as its factorization.

51846713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 51846713 is about 7200.4661654646. The cubic root of 51846713 is about 372.8839948128.

The spelling of 51846713 in words is "fifty-one million, eight hundred forty-six thousand, seven hundred thirteen".