1683825 has 48 divisors (see below), whose sum is σ = 3291456. Its totient is φ = 748800.

The previous prime is 1683817. The next prime is 1683839. The reversal of 1683825 is 5283861.

It is a happy number.

It is not a de Polignac number, because 1683825 - 2³ = 1683817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a d-powerful number, because it can be written as 1 + 6⁸ + 8³ + 3³ + 8³ + 2⁵ + 5⁵ .

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 10647 + ... + 10803.

It is an arithmetic number, because the mean of its divisors is an integer number (68572).

2^1683825 is an apocalyptic number.

1683825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1683825 is a deficient number, since it is larger than the sum of its proper divisors (1607631).

1683825 is a wasteful number, since it uses less digits than its factorization.

1683825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 189 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 1683825 is about 1297.6228265563. The cubic root of 1683825 is about 118.9685909149.

It can be divided in two parts, 168 and 3825, that added together give a palindrome (3993).

The spelling of 1683825 in words is "one million, six hundred eighty-three thousand, eight hundred twenty-five".