430940161 has 2 divisors, whose sum is σ = 430940162. Its totient is φ = 430940160.

The previous prime is 430940131. The next prime is 430940177. The reversal of 430940161 is 161049034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390299536 + 40640625 = 19756^2 + 6375^2 .

It is a cyclic number.

It is not a de Polignac number, because 430940161 - 2⁵ = 430940129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (430940131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215470080 + 215470081.

It is an arithmetic number, because the mean of its divisors is an integer number (215470081).

Almost surely, 2^430940161 is an apocalyptic number.

It is an amenable number.

430940161 is a deficient number, since it is larger than the sum of its proper divisors (1).

430940161 is an equidigital number, since it uses as much as digits as its factorization.

430940161 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 28.

The square root of 430940161 is about 20759.0982703970. The cubic root of 430940161 is about 755.3339230179. Note that the first 3 decimals are identical.

Adding to 430940161 its reverse (161049034), we get a palindrome (591989195).

The spelling of 430940161 in words is "four hundred thirty million, nine hundred forty thousand, one hundred sixty-one".