2052704491 has 4 divisors (see below), whose sum is σ = 2173451832. Its totient is φ = 1931957152.

The previous prime is 2052704443. The next prime is 2052704503. The reversal of 2052704491 is 1944072502.

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

It is a cyclic number.

It is not a de Polignac number, because 2052704491 - 2¹⁵ = 2052671723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2052704431) 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, 60373645 + ... + 60373678.

It is an arithmetic number, because the mean of its divisors is an integer number (543362958).

Almost surely, 2^2052704491 is an apocalyptic number.

2052704491 is a deficient number, since it is larger than the sum of its proper divisors (120747341).

2052704491 is a wasteful number, since it uses less digits than its factorization.

2052704491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120747340.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2052704491 is about 45306.7819536987. The cubic root of 2052704491 is about 1270.8924825941.

Adding to 2052704491 its reverse (1944072502), we get a palindrome (3996776993).

The spelling of 2052704491 in words is "two billion, fifty-two million, seven hundred four thousand, four hundred ninety-one".