94523609 has 2 divisors, whose sum is σ = 94523610. Its totient is φ = 94523608.

The previous prime is 94523599. The next prime is 94523657. The reversal of 94523609 is 90632549.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78499600 + 16024009 = 8860^2 + 4003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94523609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (94523669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47261804 + 47261805.

It is an arithmetic number, because the mean of its divisors is an integer number (47261805).

Almost surely, 2^94523609 is an apocalyptic number.

It is an amenable number.

94523609 is a deficient number, since it is larger than the sum of its proper divisors (1).

94523609 is an equidigital number, since it uses as much as digits as its factorization.

94523609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 94523609 is about 9722.3252877077. The cubic root of 94523609 is about 455.5262742785.

The spelling of 94523609 in words is "ninety-four million, five hundred twenty-three thousand, six hundred nine".