1995017 has 4 divisors (see below), whose sum is σ = 2022420. Its totient is φ = 1967616.

The previous prime is 1995013. The next prime is 1995023. The reversal of 1995017 is 7105991.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1042441 + 952576 = 1021^2 + 976^2 .

It is a cyclic number.

It is not a de Polignac number, because 1995017 - 2² = 1995013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1995011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13592 + ... + 13737.

It is an arithmetic number, because the mean of its divisors is an integer number (505605).

2^1995017 is an apocalyptic number.

It is an amenable number.

1995017 is a deficient number, since it is larger than the sum of its proper divisors (27403).

1995017 is an equidigital number, since it uses as much as digits as its factorization.

1995017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27402.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 1995017 is about 1412.4507071045. The cubic root of 1995017 is about 125.8873815252.

The spelling of 1995017 in words is "one million, nine hundred ninety-five thousand, seventeen".