2053435121 has 2 divisors, whose sum is σ = 2053435122. Its totient is φ = 2053435120.

The previous prime is 2053435099. The next prime is 2053435129. The reversal of 2053435121 is 1215343502.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1185838096 + 867597025 = 34436^2 + 29455^2 .

It is a cyclic number.

It is not a de Polignac number, because 2053435121 - 2¹⁴ = 2053418737 is a prime.

It is not a weakly prime, because it can be changed into another prime (2053435129) 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 as a sum of consecutive naturals, namely, 1026717560 + 1026717561.

It is an arithmetic number, because the mean of its divisors is an integer number (1026717561).

Almost surely, 2^2053435121 is an apocalyptic number.

It is an amenable number.

2053435121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2053435121 is an equidigital number, since it uses as much as digits as its factorization.

2053435121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2053435121 is about 45314.8443779740. The cubic root of 2053435121 is about 1271.0432498757.

Adding to 2053435121 its reverse (1215343502), we get a palindrome (3268778623).

It can be divided in two parts, 20534 and 35121, that added together give a palindrome (55655).

The spelling of 2053435121 in words is "two billion, fifty-three million, four hundred thirty-five thousand, one hundred twenty-one".