2052538065 has 24 divisors (see below), whose sum is σ = 3616060968. Its totient is φ = 1076739840.

The previous prime is 2052538051. The next prime is 2052538097. The reversal of 2052538065 is 5608352502.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 48274704 + 2004263361 = 6948^2 + 44769^2 .

It is not a de Polignac number, because 2052538065 - 2¹⁵ = 2052505297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371124 + ... + 376613.

It is an arithmetic number, because the mean of its divisors is an integer number (150669207).

Almost surely, 2^2052538065 is an apocalyptic number.

It is an amenable number.

2052538065 is a deficient number, since it is larger than the sum of its proper divisors (1563522903).

2052538065 is a wasteful number, since it uses less digits than its factorization.

2052538065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747809 (or 747806 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 2052538065 is about 45304.9452598720. The cubic root of 2052538065 is about 1270.8581351808.

The spelling of 2052538065 in words is "two billion, fifty-two million, five hundred thirty-eight thousand, sixty-five".