94260821 has 2 divisors, whose sum is σ = 94260822. Its totient is φ = 94260820.

The previous prime is 94260809. The next prime is 94260823. The reversal of 94260821 is 12806249.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93818596 + 442225 = 9686^2 + 665^2 .

It is an emirp because it is prime and its reverse (12806249) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94260821 - 2¹⁰ = 94259797 is a prime.

It is a Sophie Germain prime.

Together with 94260823, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94260823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47130410 + 47130411.

It is an arithmetic number, because the mean of its divisors is an integer number (47130411).

Almost surely, 2^94260821 is an apocalyptic number.

It is an amenable number.

94260821 is a deficient number, since it is larger than the sum of its proper divisors (1).

94260821 is an equidigital number, since it uses as much as digits as its factorization.

94260821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 94260821 is about 9708.8012133322. The cubic root of 94260821 is about 455.1037415905.

The spelling of 94260821 in words is "ninety-four million, two hundred sixty thousand, eight hundred twenty-one".