425407 has 4 divisors (see below), whose sum is σ = 428040. Its totient is φ = 422776.

The previous prime is 425393. The next prime is 425417. The reversal of 425407 is 704524.

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 425407 - 2⁷ = 425279 is a prime.

It is a super-2 number, since 2×425407² = 361942231298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057 + ... + 1402.

It is an arithmetic number, because the mean of its divisors is an integer number (107010).

2⁴²⁵⁴⁰⁷ is an apocalyptic number.

425407 is a deficient number, since it is larger than the sum of its proper divisors (2633).

425407 is a wasteful number, since it uses less digits than its factorization.

425407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 425407 is about 652.2323205730. The cubic root of 425407 is about 75.2087222982.

The spelling of 425407 in words is "four hundred twenty-five thousand, four hundred seven".