94540909 has 2 divisors, whose sum is σ = 94540910. Its totient is φ = 94540908.

The previous prime is 94540811. The next prime is 94540921. The reversal of 94540909 is 90904549.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93896100 + 644809 = 9690^2 + 803^2 .

It is an emirp because it is prime and its reverse (90904549) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94540909 - 2¹⁷ = 94409837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94540109) 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, 47270454 + 47270455.

It is an arithmetic number, because the mean of its divisors is an integer number (47270455).

Almost surely, 2^94540909 is an apocalyptic number.

It is an amenable number.

94540909 is a deficient number, since it is larger than the sum of its proper divisors (1).

94540909 is an equidigital number, since it uses as much as digits as its factorization.

94540909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 94540909 is about 9723.2149518562. The cubic root of 94540909 is about 455.5540631872.

The spelling of 94540909 in words is "ninety-four million, five hundred forty thousand, nine hundred nine".