605432161 has 2 divisors, whose sum is σ = 605432162. Its totient is φ = 605432160.

The previous prime is 605432141. The next prime is 605432213. The reversal of 605432161 is 161234506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 493728400 + 111703761 = 22220^2 + 10569^2 .

It is a cyclic number.

It is not a de Polignac number, because 605432161 - 2¹¹ = 605430113 is a prime.

It is not a weakly prime, because it can be changed into another prime (605432111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302716080 + 302716081.

It is an arithmetic number, because the mean of its divisors is an integer number (302716081).

Almost surely, 2^605432161 is an apocalyptic number.

It is an amenable number.

605432161 is a deficient number, since it is larger than the sum of its proper divisors (1).

605432161 is an equidigital number, since it uses as much as digits as its factorization.

605432161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 605432161 is about 24605.5311058307. The cubic root of 605432161 is about 845.9703899195.

Adding to 605432161 its reverse (161234506), we get a palindrome (766666667).

The spelling of 605432161 in words is "six hundred five million, four hundred thirty-two thousand, one hundred sixty-one".