1995205 has 8 divisors (see below), whose sum is σ = 2535192. Its totient is φ = 1502208.

The previous prime is 1995187. The next prime is 1995211. The reversal of 1995205 is 5025991.

It can be written as a sum of positive squares in 4 ways, for example, as 1046529 + 948676 = 1023^2 + 974^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1995205 - 2¹⁵ = 1962437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11652 + ... + 11821.

It is an arithmetic number, because the mean of its divisors is an integer number (316899).

2^1995205 is an apocalyptic number.

It is an amenable number.

1995205 is a deficient number, since it is larger than the sum of its proper divisors (539987).

1995205 is a wasteful number, since it uses less digits than its factorization.

1995205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23495.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 1995205 is about 1412.5172565318. The cubic root of 1995205 is about 125.8913357245.

The spelling of 1995205 in words is "one million, nine hundred ninety-five thousand, two hundred five".