1845825 has 12 divisors (see below), whose sum is σ = 3051888. Its totient is φ = 984400.

The previous prime is 1845791. The next prime is 1845827. The reversal of 1845825 is 5285481.

It is not a de Polignac number, because 1845825 - 2¹⁴ = 1829441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1845827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12231 + ... + 12380.

It is an arithmetic number, because the mean of its divisors is an integer number (254324).

2^1845825 is an apocalyptic number.

1845825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1845825 is a deficient number, since it is larger than the sum of its proper divisors (1206063).

1845825 is a wasteful number, since it uses less digits than its factorization.

1845825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24624 (or 24619 counting only the distinct ones).

The product of its digits is 12800, while the sum is 33.

The square root of 1845825 is about 1358.6114234762. The cubic root of 1845825 is about 122.6676865004.

The spelling of 1845825 in words is "one million, eight hundred forty-five thousand, eight hundred twenty-five".