1995053 has 4 divisors (see below), whose sum is σ = 2014908. Its totient is φ = 1975200.

The previous prime is 1995031. The next prime is 1995061. The reversal of 1995053 is 3505991.

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 1350244 + 644809 = 1162^2 + 803^2 .

It is a cyclic number.

It is not a de Polignac number, because 1995053 - 2⁶ = 1994989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995013) 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, 9776 + ... + 9977.

It is an arithmetic number, because the mean of its divisors is an integer number (503727).

2^1995053 is an apocalyptic number.

It is an amenable number.

1995053 is a deficient number, since it is larger than the sum of its proper divisors (19855).

1995053 is a wasteful number, since it uses less digits than its factorization.

1995053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19854.

The product of its (nonzero) digits is 6075, while the sum is 32.

The square root of 1995053 is about 1412.4634508546. The cubic root of 1995053 is about 125.8881387316. Note that the first 3 decimals are identical.

The spelling of 1995053 in words is "one million, nine hundred ninety-five thousand, fifty-three".