2045525513 has 16 divisors (see below), whose sum is σ = 2112155136. Its totient is φ = 1980089280.

The previous prime is 2045525509. The next prime is 2045525519. The reversal of 2045525513 is 3155255402.

It is a cyclic number.

It is not a de Polignac number, because 2045525513 - 2² = 2045525509 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2045525513.

It is not an unprimeable number, because it can be changed into a prime (2045525519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2002943 + ... + 2003963.

It is an arithmetic number, because the mean of its divisors is an integer number (132009696).

Almost surely, 2^2045525513 is an apocalyptic number.

It is an amenable number.

2045525513 is a deficient number, since it is larger than the sum of its proper divisors (66629623).

2045525513 is a wasteful number, since it uses less digits than its factorization.

2045525513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 2045525513 is about 45227.4862555946. The cubic root of 2045525513 is about 1269.4091766882.

The spelling of 2045525513 in words is "two billion, forty-five million, five hundred twenty-five thousand, five hundred thirteen".