1825625 has 20 divisors (see below), whose sum is σ = 2399232. Its totient is φ = 1386000.

The previous prime is 1825601. The next prime is 1825627. The reversal of 1825625 is 5265281.

It is not a de Polignac number, because 1825625 - 2¹⁰ = 1824601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1825627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14312 + ... + 14438.

2^1825625 is an apocalyptic number.

It is an amenable number.

1825625 is a deficient number, since it is larger than the sum of its proper divisors (573607).

1825625 is an equidigital number, since it uses as much as digits as its factorization.

1825625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 155 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 1825625 is about 1351.1569116872. The cubic root of 1825625 is about 122.2185681491.

It can be divided in two parts, 18256 and 25, that added together give a palindrome (18281).

The spelling of 1825625 in words is "one million, eight hundred twenty-five thousand, six hundred twenty-five".