426265 has 16 divisors (see below), whose sum is σ = 616320. Its totient is φ = 276480.

The previous prime is 426253. The next prime is 426287. The reversal of 426265 is 562624.

It is not a de Polignac number, because 426265 - 2⁵ = 426233 is a prime.

It is an Ulam number.

426265 is a lucky number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 345 + ... + 985.

It is an arithmetic number, because the mean of its divisors is an integer number (38520).

2⁴²⁶²⁶⁵ is an apocalyptic number.

It is an amenable number.

426265 is a deficient number, since it is larger than the sum of its proper divisors (190055).

426265 is a wasteful number, since it uses less digits than its factorization.

426265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672.

The product of its digits is 2880, while the sum is 25.

The square root of 426265 is about 652.8897303527. The cubic root of 426265 is about 75.2592509681.

Adding to 426265 its reverse (562624), we get a palindrome (988889).

The spelling of 426265 in words is "four hundred twenty-six thousand, two hundred sixty-five".