814425 has 12 divisors (see below), whose sum is σ = 1346640. Its totient is φ = 434320.

The previous prime is 814423. The next prime is 814447. The reversal of 814425 is 524418.

It is not a de Polignac number, because 814425 - 2¹ = 814423 is a prime.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 814395 and 814404.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 814425.

It is not an unprimeable number, because it can be changed into a prime (814423) 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 11 ways as a sum of consecutive naturals, for example, 5355 + ... + 5504.

It is an arithmetic number, because the mean of its divisors is an integer number (112220).

2⁸¹⁴⁴²⁵ is an apocalyptic number.

It is an amenable number.

814425 is a deficient number, since it is larger than the sum of its proper divisors (532215).

814425 is a wasteful number, since it uses less digits than its factorization.

814425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10872 (or 10867 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 814425 is about 902.4549850270. The cubic root of 814425 is about 93.3864139672.

The spelling of 814425 in words is "eight hundred fourteen thousand, four hundred twenty-five".