2553143121 has 6 divisors (see below), whose sum is σ = 3687873410. Its totient is φ = 1702095408.

The previous prime is 2553143119. The next prime is 2553143137. The reversal of 2553143121 is 1213413552.

2553143121 is a `hidden beast` number, since 2 + 5 + 531 + 4 + 3 + 121 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2420640000 + 132503121 = 49200^2 + 11511^2 .

It is not a de Polignac number, because 2553143121 - 2¹ = 2553143119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553143101) 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 5 ways as a sum of consecutive naturals, for example, 141841276 + ... + 141841293.

Almost surely, 2^2553143121 is an apocalyptic number.

It is an amenable number.

2553143121 is a deficient number, since it is larger than the sum of its proper divisors (1134730289).

2553143121 is a wasteful number, since it uses less digits than its factorization.

2553143121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283682575 (or 283682572 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2553143121 is about 50528.6366429968. The cubic root of 2553143121 is about 1366.7583008623.

Adding to 2553143121 its reverse (1213413552), we get a palindrome (3766556673).

The spelling of 2553143121 in words is "two billion, five hundred fifty-three million, one hundred forty-three thousand, one hundred twenty-one".