94191961 has 2 divisors, whose sum is σ = 94191962. Its totient is φ = 94191960.

The previous prime is 94191953. The next prime is 94192001. The reversal of 94191961 is 16919149.

It is an a-pointer prime, because the next prime (94192001) can be obtained adding 94191961 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91489225 + 2702736 = 9565^2 + 1644^2 .

It is a cyclic number.

It is not a de Polignac number, because 94191961 - 2³ = 94191953 is a prime.

It is not a weakly prime, because it can be changed into another prime (94191931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47095980 + 47095981.

It is an arithmetic number, because the mean of its divisors is an integer number (47095981).

Almost surely, 2^94191961 is an apocalyptic number.

It is an amenable number.

94191961 is a deficient number, since it is larger than the sum of its proper divisors (1).

94191961 is an equidigital number, since it uses as much as digits as its factorization.

94191961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 40.

The square root of 94191961 is about 9705.2542985746. The cubic root of 94191961 is about 454.9928928568.

The spelling of 94191961 in words is "ninety-four million, one hundred ninety-one thousand, nine hundred sixty-one".