425705 has 8 divisors (see below), whose sum is σ = 583872. Its totient is φ = 291888.

The previous prime is 425701. The next prime is 425713. The reversal of 425705 is 507524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425705 - 2² = 425701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6047 + ... + 6116.

It is an arithmetic number, because the mean of its divisors is an integer number (72984).

2⁴²⁵⁷⁰⁵ is an apocalyptic number.

It is an amenable number.

425705 is a deficient number, since it is larger than the sum of its proper divisors (158167).

425705 is a wasteful number, since it uses less digits than its factorization.

425705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12175.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 425705 is about 652.4607267874. The cubic root of 425705 is about 75.2262795771.

The spelling of 425705 in words is "four hundred twenty-five thousand, seven hundred five".