1995225 has 24 divisors (see below), whose sum is σ = 3392640. Its totient is φ = 1033920.

The previous prime is 1995223. The next prime is 1995263. The reversal of 1995225 is 5225991.

It is not a de Polignac number, because 1995225 - 2¹ = 1995223 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1995221) 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 23 ways as a sum of consecutive naturals, for example, 2416 + ... + 3134.

It is an arithmetic number, because the mean of its divisors is an integer number (141360).

2^1995225 is an apocalyptic number.

1995225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1995225 is a deficient number, since it is larger than the sum of its proper divisors (1397415).

1995225 is a wasteful number, since it uses less digits than its factorization.

1995225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 764 counting only the distinct ones).

The product of its digits is 8100, while the sum is 33.

The square root of 1995225 is about 1412.5243360735. The cubic root of 1995225 is about 125.8917563694.

The spelling of 1995225 in words is "one million, nine hundred ninety-five thousand, two hundred twenty-five".