425365 has 8 divisors (see below), whose sum is σ = 514008. Its totient is φ = 337920.

The previous prime is 425363. The next prime is 425377. The reversal of 425365 is 563524.

It can be written as a sum of positive squares in 4 ways, for example, as 66564 + 358801 = 258^2 + 599^2 .

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

It is not a de Polignac number, because 425365 - 2¹ = 425363 is a prime.

It is a Duffinian number.

425365 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425363) 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, 1029 + ... + 1381.

It is an arithmetic number, because the mean of its divisors is an integer number (64251).

2⁴²⁵³⁶⁵ is an apocalyptic number.

It is an amenable number.

425365 is a deficient number, since it is larger than the sum of its proper divisors (88643).

425365 is a wasteful number, since it uses less digits than its factorization.

425365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599.

The product of its digits is 3600, while the sum is 25.

The square root of 425365 is about 652.2001226617. The cubic root of 425365 is about 75.2062471232.

Adding to 425365 its reverse (563524), we get a palindrome (988889).

The spelling of 425365 in words is "four hundred twenty-five thousand, three hundred sixty-five".