2053325221 has 4 divisors (see below), whose sum is σ = 2057818732. Its totient is φ = 2048831712.

The previous prime is 2053325213. The next prime is 2053325273. The reversal of 2053325221 is 1225233502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1225233502 = 2 ⋅612616751.

It can be written as a sum of positive squares in 2 ways, for example, as 1408876225 + 644448996 = 37535^2 + 25386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2053325221 - 2³ = 2053325213 is a prime.

It is a super-2 number, since 2×2053325221² = 8432288926389397682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053325201) 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, 2246070 + ... + 2246983.

It is an arithmetic number, because the mean of its divisors is an integer number (514454683).

Almost surely, 2^2053325221 is an apocalyptic number.

It is an amenable number.

2053325221 is a deficient number, since it is larger than the sum of its proper divisors (4493511).

2053325221 is an equidigital number, since it uses as much as digits as its factorization.

2053325221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4493510.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2053325221 is about 45313.6317348323. The cubic root of 2053325221 is about 1271.0205740282.

Adding to 2053325221 its reverse (1225233502), we get a palindrome (3278558723).

It can be divided in two parts, 20533 and 25221, that added together give a palindrome (45754).

The spelling of 2053325221 in words is "two billion, fifty-three million, three hundred twenty-five thousand, two hundred twenty-one".