2052815291 has 4 divisors (see below), whose sum is σ = 2070981912. Its totient is φ = 2034648672.

The previous prime is 2052815243. The next prime is 2052815321. The reversal of 2052815291 is 1925182502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1925182502 = 2 ⋅962591251.

It is a cyclic number.

It is not a de Polignac number, because 2052815291 - 2¹⁴ = 2052798907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2052815231) 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, 9083141 + ... + 9083366.

It is an arithmetic number, because the mean of its divisors is an integer number (517745478).

Almost surely, 2^2052815291 is an apocalyptic number.

2052815291 is a deficient number, since it is larger than the sum of its proper divisors (18166621).

2052815291 is a wasteful number, since it uses less digits than its factorization.

2052815291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18166620.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 2052815291 is about 45308.0047121919. The cubic root of 2052815291 is about 1270.9153487453.

Adding to 2052815291 its reverse (1925182502), we get a palindrome (3977997793).

The spelling of 2052815291 in words is "two billion, fifty-two million, eight hundred fifteen thousand, two hundred ninety-one".