2120053541 has 4 divisors (see below), whose sum is σ = 2120827500. Its totient is φ = 2119279584.

The previous prime is 2120053519. The next prime is 2120053643. The reversal of 2120053541 is 1453500212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 769785025 + 1350268516 = 27745^2 + 36746^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120053541 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 (2120055541) 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, 382856 + ... + 388353.

It is an arithmetic number, because the mean of its divisors is an integer number (530206875).

Almost surely, 2^2120053541 is an apocalyptic number.

It is an amenable number.

2120053541 is a deficient number, since it is larger than the sum of its proper divisors (773959).

2120053541 is an equidigital number, since it uses as much as digits as its factorization.

2120053541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773958.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2120053541 is about 46044.0391473207. The cubic root of 2120053541 is about 1284.6424721597.

Adding to 2120053541 its reverse (1453500212), we get a palindrome (3573553753).

The spelling of 2120053541 in words is "two billion, one hundred twenty million, fifty-three thousand, five hundred forty-one".