425995 has 4 divisors (see below), whose sum is σ = 511200. Its totient is φ = 340792.

The previous prime is 425989. The next prime is 426007. The reversal of 425995 is 599524.

425995 is nontrivially palindromic in base 2.

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 425995 - 2³ = 425987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425995.

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, 42595 + ... + 42604.

It is an arithmetic number, because the mean of its divisors is an integer number (127800).

2⁴²⁵⁹⁹⁵ is an apocalyptic number.

425995 is a deficient number, since it is larger than the sum of its proper divisors (85205).

425995 is an equidigital number, since it uses as much as digits as its factorization.

425995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85204.

The product of its digits is 16200, while the sum is 34.

The square root of 425995 is about 652.6829245507. The cubic root of 425995 is about 75.2433576548.

The spelling of 425995 in words is "four hundred twenty-five thousand, nine hundred ninety-five".