825411 has 8 divisors (see below), whose sum is σ = 1115920. Its totient is φ = 542592.

The previous prime is 825403. The next prime is 825413. The reversal of 825411 is 114528.

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

It is not a de Polignac number, because 825411 - 2³ = 825403 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 825411.

It is not an unprimeable number, because it can be changed into a prime (825413) 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, 1666 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (139490).

2⁸²⁵⁴¹¹ is an apocalyptic number.

825411 is a deficient number, since it is larger than the sum of its proper divisors (290509).

825411 is a wasteful number, since it uses less digits than its factorization.

825411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845.

The product of its digits is 320, while the sum is 21.

The square root of 825411 is about 908.5213261118. The cubic root of 825411 is about 93.8044448198.

Adding to 825411 its reverse (114528), we get a palindrome (939939).

The spelling of 825411 in words is "eight hundred twenty-five thousand, four hundred eleven".