2043534520 has 16 divisors (see below), whose sum is σ = 4597952760. Its totient is φ = 817413792.

The previous prime is 2043534517. The next prime is 2043534529. The reversal of 2043534520 is 254353402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043534529) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25544142 + ... + 25544221.

Almost surely, 2^2043534520 is an apocalyptic number.

2043534520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043534520 is an abundant number, since it is smaller than the sum of its proper divisors (2554418240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2043534520 is a wasteful number, since it uses less digits than its factorization.

2043534520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51088374 (or 51088370 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 2043534520 is about 45205.4700229961. The cubic root of 2043534520 is about 1268.9971871669.

Adding to 2043534520 its reverse (254353402), we get a palindrome (2297887922).

The spelling of 2043534520 in words is "two billion, forty-three million, five hundred thirty-four thousand, five hundred twenty".