429825 has 24 divisors (see below), whose sum is σ = 776736. Its totient is φ = 208000.

The previous prime is 429823. The next prime is 429827. The reversal of 429825 is 528924.

It is an interprime number because it is at equal distance from previous prime (429823) and next prime (429827).

It is not a de Polignac number, because 429825 - 2¹ = 429823 is a prime.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 429792 and 429801.

It is not an unprimeable number, because it can be changed into a prime (429823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 565 + ... + 1085.

It is an arithmetic number, because the mean of its divisors is an integer number (32364).

2⁴²⁹⁸²⁵ is an apocalyptic number.

It is an amenable number.

429825 is a deficient number, since it is larger than the sum of its proper divisors (346911).

429825 is a wasteful number, since it uses less digits than its factorization.

429825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 540 counting only the distinct ones).

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

The square root of 429825 is about 655.6104026020. The cubic root of 429825 is about 75.4681824325.

Subtracting 429825 from its reverse (528924), we obtain a palindrome (99099).

The spelling of 429825 in words is "four hundred twenty-nine thousand, eight hundred twenty-five".