425929 has 8 divisors (see below), whose sum is σ = 494208. Its totient is φ = 359520.

The previous prime is 425911. The next prime is 425939. The reversal of 425929 is 929524.

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

It is not a de Polignac number, because 425929 - 2⁷ = 425801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425929.

It is not an unprimeable number, because it can be changed into a prime (425939) 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, 69 + ... + 925.

It is an arithmetic number, because the mean of its divisors is an integer number (61776).

2⁴²⁵⁹²⁹ is an apocalyptic number.

It is an amenable number.

425929 is a deficient number, since it is larger than the sum of its proper divisors (68279).

425929 is an equidigital number, since it uses as much as digits as its factorization.

425929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935.

The product of its digits is 6480, while the sum is 31.

The square root of 425929 is about 652.6323620539. The cubic root of 425929 is about 75.2394716013.

The spelling of 425929 in words is "four hundred twenty-five thousand, nine hundred twenty-nine".