825419 has 4 divisors (see below), whose sum is σ = 943344. Its totient is φ = 707496.

The previous prime is 825413. The next prime is 825421. The reversal of 825419 is 914528.

825419 is nontrivially palindromic in base 8.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 825419 - 2⁴ = 825403 is a prime.

It is a super-2 number, since 2×825419² = 1362633051122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 825391 and 825400.

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 3 ways as a sum of consecutive naturals, for example, 58952 + ... + 58965.

It is an arithmetic number, because the mean of its divisors is an integer number (235836).

2⁸²⁵⁴¹⁹ is an apocalyptic number.

825419 is a deficient number, since it is larger than the sum of its proper divisors (117925).

825419 is a wasteful number, since it uses less digits than its factorization.

825419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117924.

The product of its digits is 2880, while the sum is 29.

The square root of 825419 is about 908.5257288597. The cubic root of 825419 is about 93.8047478741.

The spelling of 825419 in words is "eight hundred twenty-five thousand, four hundred nineteen".