825429 has 8 divisors (see below), whose sum is σ = 1200672. Its totient is φ = 500240.

The previous prime is 825421. The next prime is 825439. The reversal of 825429 is 924528.

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 825429 - 2³ = 825421 is a prime.

It is a plaindrome in base 15.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 825396 and 825405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12474 + ... + 12539.

It is an arithmetic number, because the mean of its divisors is an integer number (150084).

2⁸²⁵⁴²⁹ is an apocalyptic number.

It is an amenable number.

825429 is a deficient number, since it is larger than the sum of its proper divisors (375243).

825429 is a wasteful number, since it uses less digits than its factorization.

825429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25027.

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

The square root of 825429 is about 908.5312322645. The cubic root of 825429 is about 93.8051266893.

Subtracting 825429 from its reverse (924528), we obtain a palindrome (99099).

The spelling of 825429 in words is "eight hundred twenty-five thousand, four hundred twenty-nine".