94205921 has 2 divisors, whose sum is σ = 94205922. Its totient is φ = 94205920.

The previous prime is 94205887. The next prime is 94205927. The reversal of 94205921 is 12950249.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92544400 + 1661521 = 9620^2 + 1289^2 .

It is a cyclic number.

It is not a de Polignac number, because 94205921 - 2¹⁰ = 94204897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (94205927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47102960 + 47102961.

It is an arithmetic number, because the mean of its divisors is an integer number (47102961).

Almost surely, 2^94205921 is an apocalyptic number.

It is an amenable number.

94205921 is a deficient number, since it is larger than the sum of its proper divisors (1).

94205921 is an equidigital number, since it uses as much as digits as its factorization.

94205921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 94205921 is about 9705.9734699823. The cubic root of 94205921 is about 455.0153696052.

The spelling of 94205921 in words is "ninety-four million, two hundred five thousand, nine hundred twenty-one".