433430161 has 2 divisors, whose sum is σ = 433430162. Its totient is φ = 433430160.

The previous prime is 433430069. The next prime is 433430167. The reversal of 433430161 is 161034334.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360430225 + 72999936 = 18985^2 + 8544^2 .

It is a cyclic number.

It is not a de Polignac number, because 433430161 - 2⁹ = 433429649 is a prime.

It is not a weakly prime, because it can be changed into another prime (433430167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216715080 + 216715081.

It is an arithmetic number, because the mean of its divisors is an integer number (216715081).

Almost surely, 2^433430161 is an apocalyptic number.

It is an amenable number.

433430161 is a deficient number, since it is larger than the sum of its proper divisors (1).

433430161 is an equidigital number, since it uses as much as digits as its factorization.

433430161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 433430161 is about 20818.9855900810. The cubic root of 433430161 is about 756.7859193709.

Adding to 433430161 its reverse (161034334), we get a palindrome (594464495).

The spelling of 433430161 in words is "four hundred thirty-three million, four hundred thirty thousand, one hundred sixty-one".