1995000113 has 2 divisors, whose sum is σ = 1995000114. Its totient is φ = 1995000112.

The previous prime is 1995000097. The next prime is 1995000143. The reversal of 1995000113 is 3110005991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1532879104 + 462121009 = 39152^2 + 21497^2 .

It is an emirp because it is prime and its reverse (3110005991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1995000113 - 2⁴ = 1995000097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1995000143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997500056 + 997500057.

It is an arithmetic number, because the mean of its divisors is an integer number (997500057).

Almost surely, 2^1995000113 is an apocalyptic number.

It is an amenable number.

1995000113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1995000113 is an equidigital number, since it uses as much as digits as its factorization.

1995000113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 29.

The square root of 1995000113 is about 44665.4241332152. The cubic root of 1995000113 is about 1258.8702632924.

The spelling of 1995000113 in words is "one billion, nine hundred ninety-five million, one hundred thirteen", and thus it is an aban number.