1673825 has 24 divisors (see below), whose sum is σ = 2249856. Its totient is φ = 1232000.

The previous prime is 1673813. The next prime is 1673827. The reversal of 1673825 is 5283761.

1673825 = T₂₆₅ + T₂₆₆ + ... + T₃₀₅.

It is a happy number.

It is not a de Polignac number, because 1673825 - 2⁴ = 1673809 is a prime.

It is a Duffinian number.

Its product of digits (10080) is a multiple of the sum of its prime divisors (140).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1673791 and 1673800.

It is not an unprimeable number, because it can be changed into a prime (1673827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23540 + ... + 23610.

It is an arithmetic number, because the mean of its divisors is an integer number (93744).

2^1673825 is an apocalyptic number.

It is an amenable number.

1673825 is a deficient number, since it is larger than the sum of its proper divisors (576031).

1673825 is a wasteful number, since it uses less digits than its factorization.

1673825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 140 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 1673825 is about 1293.7638888143. The cubic root of 1673825 is about 118.7326105654.

The spelling of 1673825 in words is "one million, six hundred seventy-three thousand, eight hundred twenty-five".