94685561 has 2 divisors, whose sum is σ = 94685562. Its totient is φ = 94685560.

The previous prime is 94685557. The next prime is 94685611. The reversal of 94685561 is 16558649.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91795561 + 2890000 = 9581^2 + 1700^2 .

It is a cyclic number.

It is not a de Polignac number, because 94685561 - 2² = 94685557 is a prime.

It is not a weakly prime, because it can be changed into another prime (94687561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47342780 + 47342781.

It is an arithmetic number, because the mean of its divisors is an integer number (47342781).

Almost surely, 2^94685561 is an apocalyptic number.

It is an amenable number.

94685561 is a deficient number, since it is larger than the sum of its proper divisors (1).

94685561 is an equidigital number, since it uses as much as digits as its factorization.

94685561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 44.

The square root of 94685561 is about 9730.6505948986. The cubic root of 94685561 is about 455.7862844453.

The spelling of 94685561 in words is "ninety-four million, six hundred eighty-five thousand, five hundred sixty-one".