425345 has 8 divisors (see below), whose sum is σ = 516264. Its totient is φ = 336384.

The previous prime is 425333. The next prime is 425363. The reversal of 425345 is 543524.

425345 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in 4 ways, for example, as 92416 + 332929 = 304^2 + 577^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 425345 - 2⁴ = 425329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 425345.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47 + ... + 923.

It is an arithmetic number, because the mean of its divisors is an integer number (64533).

2⁴²⁵³⁴⁵ is an apocalyptic number.

It is an amenable number.

425345 is a deficient number, since it is larger than the sum of its proper divisors (90919).

425345 is an equidigital number, since it uses as much as digits as its factorization.

425345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979.

The product of its digits is 2400, while the sum is 23.

The square root of 425345 is about 652.1847897644. The cubic root of 425345 is about 75.2050684112.

Adding to 425345 its reverse (543524), we get a palindrome (968869).

The spelling of 425345 in words is "four hundred twenty-five thousand, three hundred forty-five".