2553232121 has 8 divisors (see below), whose sum is σ = 2787882624. Its totient is φ = 2319004720.

The previous prime is 2553232081. The next prime is 2553232127. The reversal of 2553232121 is 1212323552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2553232121 - 2¹⁸ = 2552969977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553232127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93086 + ... + 117351.

It is an arithmetic number, because the mean of its divisors is an integer number (348485328).

Almost surely, 2^2553232121 is an apocalyptic number.

It is an amenable number.

2553232121 is a deficient number, since it is larger than the sum of its proper divisors (234650503).

2553232121 is a wasteful number, since it uses less digits than its factorization.

2553232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211551.

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

The square root of 2553232121 is about 50529.5173240355. The cubic root of 2553232121 is about 1366.7741819507.

Adding to 2553232121 its reverse (1212323552), we get a palindrome (3765555673).

The spelling of 2553232121 in words is "two billion, five hundred fifty-three million, two hundred thirty-two thousand, one hundred twenty-one".