1995256203 has 8 divisors (see below), whose sum is σ = 2663364816. Its totient is φ = 1328659200.

The previous prime is 1995256189. The next prime is 1995256213. The reversal of 1995256203 is 3026525991.

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

It is a de Polignac number, because none of the positive numbers 2^k-1995256203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1995256213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374818 + ... + 380103.

It is an arithmetic number, because the mean of its divisors is an integer number (332920602).

Almost surely, 2^1995256203 is an apocalyptic number.

1995256203 is a deficient number, since it is larger than the sum of its proper divisors (668108613).

1995256203 is an equidigital number, since it uses as much as digits as its factorization.

1995256203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755805.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 1995256203 is about 44668.2908000743. The cubic root of 1995256203 is about 1258.9241263290.

The spelling of 1995256203 in words is "one billion, nine hundred ninety-five million, two hundred fifty-six thousand, two hundred three".