2120053251 has 4 divisors (see below), whose sum is σ = 2826737672. Its totient is φ = 1413368832.

The previous prime is 2120053211. The next prime is 2120053321. The reversal of 2120053251 is 1523500212.

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

It is not a de Polignac number, because 2120053251 - 2¹⁰ = 2120052227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120053211) 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, 353342206 + ... + 353342211.

It is an arithmetic number, because the mean of its divisors is an integer number (706684418).

Almost surely, 2^2120053251 is an apocalyptic number.

2120053251 is a deficient number, since it is larger than the sum of its proper divisors (706684421).

2120053251 is an equidigital number, since it uses as much as digits as its factorization.

2120053251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706684420.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2120053251 is about 46044.0359981616. The cubic root of 2120053251 is about 1284.6424135847.

Adding to 2120053251 its reverse (1523500212), we get a palindrome (3643553463).

The spelling of 2120053251 in words is "two billion, one hundred twenty million, fifty-three thousand, two hundred fifty-one".