342065 has 12 divisors (see below), whose sum is σ = 431604. Its totient is φ = 260064.

The previous prime is 342061. The next prime is 342071. The reversal of 342065 is 560243.

It can be written as a sum of positive squares in 2 ways, for example, as 223729 + 118336 = 473^2 + 344^2 .

It is not a de Polignac number, because 342065 - 2² = 342061 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342065.

It is not an unprimeable number, because it can be changed into a prime (342061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7934 + ... + 7976.

It is an arithmetic number, because the mean of its divisors is an integer number (35967).

2³⁴²⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

342065 is a deficient number, since it is larger than the sum of its proper divisors (89539).

342065 is an equidigital number, since it uses as much as digits as its factorization.

342065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 342065 is about 584.8632318756. The cubic root of 342065 is about 69.9363366751.

The spelling of 342065 in words is "three hundred forty-two thousand, sixty-five".