2052302509 has 8 divisors (see below), whose sum is σ = 2202795000. Its totient is φ = 1905117696.

The previous prime is 2052302503. The next prime is 2052302513. The reversal of 2052302509 is 9052032502.

It can be written as a sum of positive squares in 4 ways, for example, as 305480484 + 1746822025 = 17478^2 + 41795^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2052302509 - 2¹¹ = 2052300461 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 (2052302503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825634 + ... + 828115.

It is an arithmetic number, because the mean of its divisors is an integer number (275349375).

Almost surely, 2^2052302509 is an apocalyptic number.

It is an amenable number.

2052302509 is a deficient number, since it is larger than the sum of its proper divisors (150492491).

2052302509 is a wasteful number, since it uses less digits than its factorization.

2052302509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653839.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2052302509 is about 45302.3455132292. The cubic root of 2052302509 is about 1270.8095173717.

The spelling of 2052302509 in words is "two billion, fifty-two million, three hundred two thousand, five hundred nine".