2513545043 has 4 divisors (see below), whose sum is σ = 2600219040. Its totient is φ = 2426871048.

The previous prime is 2513545039. The next prime is 2513545063. The reversal of 2513545043 is 3405453152.

It is a happy number.

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 2513545043 - 2² = 2513545039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2513545003) 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 3 ways as a sum of consecutive naturals, for example, 43336955 + ... + 43337012.

It is an arithmetic number, because the mean of its divisors is an integer number (650054760).

Almost surely, 2^2513545043 is an apocalyptic number.

2513545043 is a deficient number, since it is larger than the sum of its proper divisors (86673997).

2513545043 is an equidigital number, since it uses as much as digits as its factorization.

2513545043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86673996.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 2513545043 is about 50135.2674571504. The cubic root of 2513545043 is about 1359.6555217140.

Adding to 2513545043 its reverse (3405453152), we get a palindrome (5918998195).

The spelling of 2513545043 in words is "two billion, five hundred thirteen million, five hundred forty-five thousand, forty-three".