602161 has 6 divisors (see below), whose sum is σ = 700530. Its totient is φ = 516096.

The previous prime is 602153. The next prime is 602179. The reversal of 602161 is 161206.

602161 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in only one way, i.e., 571536 + 30625 = 756^2 + 175^2 .

It is not a de Polignac number, because 602161 - 2³ = 602153 is a prime.

It is a Duffinian number.

602161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (602111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6096 + ... + 6193.

It is an arithmetic number, because the mean of its divisors is an integer number (116755).

2⁶⁰²¹⁶¹ is an apocalyptic number.

It is an amenable number.

602161 is a deficient number, since it is larger than the sum of its proper divisors (98369).

602161 is a wasteful number, since it uses less digits than its factorization.

602161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12303 (or 12296 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 602161 is about 775.9903349914. The cubic root of 602161 is about 84.4444039833. Note that the first 4 decimals are identical.

Adding to 602161 its reverse (161206), we get a palindrome (763367).

The spelling of 602161 in words is "six hundred two thousand, one hundred sixty-one".