425465 has 4 divisors (see below), whose sum is σ = 510564. Its totient is φ = 340368.

The previous prime is 425443. The next prime is 425471. The reversal of 425465 is 564524.

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 141376 + 284089 = 376^2 + 533^2 .

It is a cyclic number.

It is not a de Polignac number, because 425465 - 2¹⁴ = 409081 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425465.

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, 42542 + ... + 42551.

It is an arithmetic number, because the mean of its divisors is an integer number (127641).

2⁴²⁵⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

425465 is a deficient number, since it is larger than the sum of its proper divisors (85099).

425465 is an equidigital number, since it uses as much as digits as its factorization.

425465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85098.

The product of its digits is 4800, while the sum is 26.

The square root of 425465 is about 652.2767817422. The cubic root of 425465 is about 75.2121401292.

Adding to 425465 its reverse (564524), we get a palindrome (989989).

The spelling of 425465 in words is "four hundred twenty-five thousand, four hundred sixty-five".