425435 has 4 divisors (see below), whose sum is σ = 510528. Its totient is φ = 340344.

The previous prime is 425423. The next prime is 425441. The reversal of 425435 is 534524.

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

It is a cyclic number.

It is not a de Polignac number, because 425435 - 2⁴ = 425419 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 425435.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425435.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42539 + ... + 42548.

It is an arithmetic number, because the mean of its divisors is an integer number (127632).

2⁴²⁵⁴³⁵ is an apocalyptic number.

425435 is a deficient number, since it is larger than the sum of its proper divisors (85093).

425435 is an equidigital number, since it uses as much as digits as its factorization.

425435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85092.

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

The square root of 425435 is about 652.2537849641. The cubic root of 425435 is about 75.2103723244.

Adding to 425435 its reverse (534524), we get a palindrome (959959).

The spelling of 425435 in words is "four hundred twenty-five thousand, four hundred thirty-five".