320061 has 8 divisors (see below), whose sum is σ = 487744. Its totient is φ = 182880.

The previous prime is 320057. The next prime is 320063. The reversal of 320061 is 160023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320061 - 2² = 320057 is a prime.

It is a Duffinian number.

320061 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320061.

It is not an unprimeable number, because it can be changed into a prime (320063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7600 + ... + 7641.

It is an arithmetic number, because the mean of its divisors is an integer number (60968).

2³²⁰⁰⁶¹ is an apocalyptic number.

It is an amenable number.

320061 is a deficient number, since it is larger than the sum of its proper divisors (167683).

320061 is a wasteful number, since it uses less digits than its factorization.

320061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15251.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 320061 is about 565.7393392721. The cubic root of 320061 is about 68.4033837798.

Adding to 320061 its reverse (160023), we get a palindrome (480084).

The spelling of 320061 in words is "three hundred twenty thousand, sixty-one".