825469 has 8 divisors (see below), whose sum is σ = 889920. Its totient is φ = 762816.

The previous prime is 825467. The next prime is 825479. The reversal of 825469 is 964528.

It is a happy number.

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 825469 - 2¹ = 825467 is a prime.

It is a super-2 number, since 2×825469² = 1362798139922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592 + ... + 1414.

It is an arithmetic number, because the mean of its divisors is an integer number (111240).

2⁸²⁵⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

825469 is a deficient number, since it is larger than the sum of its proper divisors (64451).

825469 is a wasteful number, since it uses less digits than its factorization.

825469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899.

The product of its digits is 17280, while the sum is 34.

The square root of 825469 is about 908.5532455503. The cubic root of 825469 is about 93.8066419193.

The spelling of 825469 in words is "eight hundred twenty-five thousand, four hundred sixty-nine".