2133254551 has 2 divisors, whose sum is σ = 2133254552. Its totient is φ = 2133254550.

The previous prime is 2133254549. The next prime is 2133254581. The reversal of 2133254551 is 1554523312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2133254551 - 2¹ = 2133254549 is a prime.

Together with 2133254549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2133254581) 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, 1066627275 + 1066627276.

It is an arithmetic number, because the mean of its divisors is an integer number (1066627276).

Almost surely, 2^2133254551 is an apocalyptic number.

2133254551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133254551 is an equidigital number, since it uses as much as digits as its factorization.

2133254551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 31.

The square root of 2133254551 is about 46187.1686835208. The cubic root of 2133254551 is about 1287.3033327152.

Adding to 2133254551 its reverse (1554523312), we get a palindrome (3687777863).

The spelling of 2133254551 in words is "two billion, one hundred thirty-three million, two hundred fifty-four thousand, five hundred fifty-one".