425505 has 16 divisors (see below), whose sum is σ = 717120. Its totient is φ = 214848.

The previous prime is 425501. The next prime is 425519. The reversal of 425505 is 505524.

It is not a de Polignac number, because 425505 - 2² = 425501 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425505.

It is not an unprimeable number, because it can be changed into a prime (425501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (44820).

2⁴²⁵⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

425505 is a deficient number, since it is larger than the sum of its proper divisors (291615).

425505 is a wasteful number, since it uses less digits than its factorization.

425505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 425505 is about 652.3074428519. The cubic root of 425505 is about 75.2144970730.

The spelling of 425505 in words is "four hundred twenty-five thousand, five hundred five".