426065 has 4 divisors (see below), whose sum is σ = 511284. Its totient is φ = 340848.

The previous prime is 426061. The next prime is 426073. The reversal of 426065 is 560624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 173056 + 253009 = 416^2 + 503^2 .

It is a cyclic number.

It is not a de Polignac number, because 426065 - 2² = 426061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426065.

It is not an unprimeable number, because it can be changed into a prime (426061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42602 + ... + 42611.

It is an arithmetic number, because the mean of its divisors is an integer number (127821).

2⁴²⁶⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

426065 is a deficient number, since it is larger than the sum of its proper divisors (85219).

426065 is an equidigital number, since it uses as much as digits as its factorization.

426065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85218.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 426065 is about 652.7365471613. The cubic root of 426065 is about 75.2474787881.

Adding to 426065 its reverse (560624), we get a palindrome (986689).

The spelling of 426065 in words is "four hundred twenty-six thousand, sixty-five".