2040513271 has 4 divisors (see below), whose sum is σ = 2087967112. Its totient is φ = 1993059432.

The previous prime is 2040513263. The next prime is 2040513317. The reversal of 2040513271 is 1723150402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1723150402 = 2 ⋅861575201.

It is a cyclic number.

It is not a de Polignac number, because 2040513271 - 2³ = 2040513263 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 (2040513571) 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, 23726856 + ... + 23726941.

It is an arithmetic number, because the mean of its divisors is an integer number (521991778).

Almost surely, 2^2040513271 is an apocalyptic number.

2040513271 is a deficient number, since it is larger than the sum of its proper divisors (47453841).

2040513271 is an equidigital number, since it uses as much as digits as its factorization.

2040513271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47453840.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2040513271 is about 45172.0408106607. The cubic root of 2040513271 is about 1268.3714987780.

Adding to 2040513271 its reverse (1723150402), we get a palindrome (3763663673).

The spelling of 2040513271 in words is "two billion, forty million, five hundred thirteen thousand, two hundred seventy-one".