94517861 has 2 divisors, whose sum is σ = 94517862. Its totient is φ = 94517860.

The previous prime is 94517851. The next prime is 94517923. The reversal of 94517861 is 16871549.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75864100 + 18653761 = 8710^2 + 4319^2 .

It is an emirp because it is prime and its reverse (16871549) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94517861 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94517821) 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, 47258930 + 47258931.

It is an arithmetic number, because the mean of its divisors is an integer number (47258931).

Almost surely, 2^94517861 is an apocalyptic number.

It is an amenable number.

94517861 is a deficient number, since it is larger than the sum of its proper divisors (1).

94517861 is an equidigital number, since it uses as much as digits as its factorization.

94517861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 41.

The square root of 94517861 is about 9722.0296749187. The cubic root of 94517861 is about 455.5170405427.

The spelling of 94517861 in words is "ninety-four million, five hundred seventeen thousand, eight hundred sixty-one".