1827425 has 12 divisors (see below), whose sum is σ = 2301936. Its totient is φ = 1438800.

The previous prime is 1827421. The next prime is 1827431. The reversal of 1827425 is 5247281.

It is not a de Polignac number, because 1827425 - 2² = 1827421 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1827421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1130 + ... + 2220.

It is an arithmetic number, because the mean of its divisors is an integer number (191828).

2^1827425 is an apocalyptic number.

It is an amenable number.

1827425 is a deficient number, since it is larger than the sum of its proper divisors (474511).

1827425 is a wasteful number, since it uses less digits than its factorization.

1827425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1163 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 1827425 is about 1351.8228434229. The cubic root of 1827425 is about 122.2587226460.

The spelling of 1827425 in words is "one million, eight hundred twenty-seven thousand, four hundred twenty-five".