2554311321 has 16 divisors (see below), whose sum is σ = 3809568000. Its totient is φ = 1691442864.

The previous prime is 2554311301. The next prime is 2554311323. The reversal of 2554311321 is 1231134552.

2554311321 is a `hidden beast` number, since 2 + 5 + 543 + 113 + 2 + 1 = 666.

It is not a de Polignac number, because 2554311321 - 2⁶ = 2554311257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2554311323) 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 15 ways as a sum of consecutive naturals, for example, 313441 + ... + 321486.

It is an arithmetic number, because the mean of its divisors is an integer number (238098000).

Almost surely, 2^2554311321 is an apocalyptic number.

It is an amenable number.

2554311321 is a deficient number, since it is larger than the sum of its proper divisors (1255256679).

2554311321 is a wasteful number, since it uses less digits than its factorization.

2554311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635085 (or 635079 counting only the distinct ones).

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

The square root of 2554311321 is about 50540.1951025122. The cubic root of 2554311321 is about 1366.9667241685.

Adding to 2554311321 its reverse (1231134552), we get a palindrome (3785445873).

It can be divided in two parts, 25543 and 11321, that added together give a square (36864 = 192²).

The spelling of 2554311321 in words is "two billion, five hundred fifty-four million, three hundred eleven thousand, three hundred twenty-one".