1827825 has 12 divisors (see below), whose sum is σ = 3022128. Its totient is φ = 974800.

The previous prime is 1827817. The next prime is 1827829. The reversal of 1827825 is 5287281.

It is not a de Polignac number, because 1827825 - 2³ = 1827817 is a prime.

It is a Curzon number.

1827825 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1827829) 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, 12111 + ... + 12260.

It is an arithmetic number, because the mean of its divisors is an integer number (251844).

2^1827825 is an apocalyptic number.

1827825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1827825 is a deficient number, since it is larger than the sum of its proper divisors (1194303).

1827825 is a wasteful number, since it uses less digits than its factorization.

1827825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24384 (or 24379 counting only the distinct ones).

The product of its digits is 8960, while the sum is 33.

The square root of 1827825 is about 1351.9707837080. The cubic root of 1827825 is about 122.2676422864.

The spelling of 1827825 in words is "one million, eight hundred twenty-seven thousand, eight hundred twenty-five".