52686713 has 2 divisors, whose sum is σ = 52686714. Its totient is φ = 52686712.

The previous prime is 52686709. The next prime is 52686719. The reversal of 52686713 is 31768625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52027369 + 659344 = 7213^2 + 812^2 .

It is a cyclic number.

It is not a de Polignac number, because 52686713 - 2² = 52686709 is a prime.

It is not a weakly prime, because it can be changed into another prime (52686719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26343356 + 26343357.

It is an arithmetic number, because the mean of its divisors is an integer number (26343357).

Almost surely, 2^52686713 is an apocalyptic number.

It is an amenable number.

52686713 is a deficient number, since it is larger than the sum of its proper divisors (1).

52686713 is an equidigital number, since it uses as much as digits as its factorization.

52686713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 52686713 is about 7258.5613588369. The cubic root of 52686713 is about 374.8869893537.

The spelling of 52686713 in words is "fifty-two million, six hundred eighty-six thousand, seven hundred thirteen".