2200540521 has 4 divisors (see below), whose sum is σ = 2934054032. Its totient is φ = 1467027012.

The previous prime is 2200540519. The next prime is 2200540541. The reversal of 2200540521 is 1250450022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2200540521 - 2¹ = 2200540519 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2200540541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366756751 + ... + 366756756.

It is an arithmetic number, because the mean of its divisors is an integer number (733513508).

Almost surely, 2^2200540521 is an apocalyptic number.

It is an amenable number.

2200540521 is a deficient number, since it is larger than the sum of its proper divisors (733513511).

2200540521 is an equidigital number, since it uses as much as digits as its factorization.

2200540521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733513510.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2200540521 is about 46909.9192175813. The cubic root of 2200540521 is about 1300.6979528247.

Adding to 2200540521 its reverse (1250450022), we get a palindrome (3450990543).

It can be divided in two parts, 22005 and 40521, that added together give a palindrome (62526).

The spelling of 2200540521 in words is "two billion, two hundred million, five hundred forty thousand, five hundred twenty-one".