94561 has 2 divisors, whose sum is σ = 94562. Its totient is φ = 94560.

The previous prime is 94559. The next prime is 94573. The reversal of 94561 is 16549.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70225 + 24336 = 265^2 + 156^2 .

It is a cyclic number.

It is not a de Polignac number, because 94561 - 2¹ = 94559 is a prime.

Together with 94559, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (94531) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47280 + 47281.

It is an arithmetic number, because the mean of its divisors is an integer number (47281).

2⁹⁴⁵⁶¹ is an apocalyptic number.

It is an amenable number.

94561 is a deficient number, since it is larger than the sum of its proper divisors (1).

94561 is an equidigital number, since it uses as much as digits as its factorization.

94561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 25.

The square root of 94561 is about 307.5077234802. The cubic root of 94561 is about 45.5586331012.

The spelling of 94561 in words is "ninety-four thousand, five hundred sixty-one".