94174921 has 2 divisors, whose sum is σ = 94174922. Its totient is φ = 94174920.

The previous prime is 94174901. The next prime is 94174937. The reversal of 94174921 is 12947149.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52765696 + 41409225 = 7264^2 + 6435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94174921 is a prime.

It is not a weakly prime, because it can be changed into another prime (94174901) 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, 47087460 + 47087461.

It is an arithmetic number, because the mean of its divisors is an integer number (47087461).

Almost surely, 2^94174921 is an apocalyptic number.

It is an amenable number.

94174921 is a deficient number, since it is larger than the sum of its proper divisors (1).

94174921 is an equidigital number, since it uses as much as digits as its factorization.

94174921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 94174921 is about 9704.3763838796. The cubic root of 94174921 is about 454.9654540450.

The spelling of 94174921 in words is "ninety-four million, one hundred seventy-four thousand, nine hundred twenty-one".