1825173 has 48 divisors (see below), whose sum is σ = 3319680. Its totient is φ = 979776.

The previous prime is 1825169. The next prime is 1825177. The reversal of 1825173 is 3715281.

It is an interprime number because it is at equal distance from previous prime (1825169) and next prime (1825177).

It is not a de Polignac number, because 1825173 - 2² = 1825169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1825177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49311 + ... + 49347.

It is an arithmetic number, because the mean of its divisors is an integer number (69160).

2^1825173 is an apocalyptic number.

It is an amenable number.

1825173 is a deficient number, since it is larger than the sum of its proper divisors (1494507).

1825173 is an equidigital number, since it uses as much as digits as its factorization.

1825173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 76 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 1825173 is about 1350.9896372660. The cubic root of 1825173 is about 122.2084807630.

The spelling of 1825173 in words is "one million, eight hundred twenty-five thousand, one hundred seventy-three".