425829 has 8 divisors (see below), whose sum is σ = 581152. Its totient is φ = 277200.

The previous prime is 425819. The next prime is 425837. The reversal of 425829 is 928524.

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

It is not a de Polignac number, because 425829 - 2⁴ = 425813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 425796 and 425805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425819) 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, 1522 + ... + 1779.

It is an arithmetic number, because the mean of its divisors is an integer number (72644).

2⁴²⁵⁸²⁹ is an apocalyptic number.

It is an amenable number.

425829 is a deficient number, since it is larger than the sum of its proper divisors (155323).

425829 is a wasteful number, since it uses less digits than its factorization.

425829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347.

The product of its digits is 5760, while the sum is 30.

The square root of 425829 is about 652.5557447452. Note that the first 3 decimals coincide. The cubic root of 425829 is about 75.2335828764.

The spelling of 425829 in words is "four hundred twenty-five thousand, eight hundred twenty-nine".