2051005159 has 4 divisors (see below), whose sum is σ = 2344005904. Its totient is φ = 1758004416.

The previous prime is 2051005157. The next prime is 2051005181. The reversal of 2051005159 is 9515001502.

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

It is not a de Polignac number, because 2051005159 - 2¹ = 2051005157 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 (2051005157) 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, 146500362 + ... + 146500375.

It is an arithmetic number, because the mean of its divisors is an integer number (586001476).

Almost surely, 2^2051005159 is an apocalyptic number.

2051005159 is a deficient number, since it is larger than the sum of its proper divisors (293000745).

2051005159 is an equidigital number, since it uses as much as digits as its factorization.

2051005159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293000744.

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 2051005159 is about 45288.0244545951. The cubic root of 2051005159 is about 1270.5416828713.

The spelling of 2051005159 in words is "two billion, fifty-one million, five thousand, one hundred fifty-nine".