102686473 has 2 divisors, whose sum is σ = 102686474. Its totient is φ = 102686472.

The previous prime is 102686453. The next prime is 102686489. The reversal of 102686473 is 374686201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89927289 + 12759184 = 9483^2 + 3572^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102686473 is a prime.

It is not a weakly prime, because it can be changed into another prime (102686413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51343236 + 51343237.

It is an arithmetic number, because the mean of its divisors is an integer number (51343237).

Almost surely, 2^102686473 is an apocalyptic number.

It is an amenable number.

102686473 is a deficient number, since it is larger than the sum of its proper divisors (1).

102686473 is an equidigital number, since it uses as much as digits as its factorization.

102686473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 102686473 is about 10133.4334260408. The cubic root of 102686473 is about 468.2787090568.

The spelling of 102686473 in words is "one hundred two million, six hundred eighty-six thousand, four hundred seventy-three".