1995273 has 56 divisors (see below), whose sum is σ = 3777408. Its totient is φ = 1026432.

The previous prime is 1995271. The next prime is 1995289. The reversal of 1995273 is 3725991.

It is not a de Polignac number, because 1995273 - 2¹ = 1995271 is a prime.

It is a super-2 number, since 2×1995273² = 7962228689058, which contains 22 as substring.

1995273 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1995271) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 86740 + ... + 86762.

2^1995273 is an apocalyptic number.

It is an amenable number.

1995273 is a deficient number, since it is larger than the sum of its proper divisors (1782135).

1995273 is an equidigital number, since it uses as much as digits as its factorization.

1995273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 50 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 1995273 is about 1412.5413268291. The cubic root of 1995273 is about 125.8927659056.

The spelling of 1995273 in words is "one million, nine hundred ninety-five thousand, two hundred seventy-three".