5545731251 has 2 divisors, whose sum is σ = 5545731252. Its totient is φ = 5545731250.

The previous prime is 5545731223. The next prime is 5545731259. The reversal of 5545731251 is 1521375455.

5545731251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5545731251 - 2⁶ = 5545731187 is a prime.

It is not a weakly prime, because it can be changed into another prime (5545731259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2772865625 + 2772865626.

It is an arithmetic number, because the mean of its divisors is an integer number (2772865626).

Almost surely, 2^5545731251 is an apocalyptic number.

5545731251 is a deficient number, since it is larger than the sum of its proper divisors (1).

5545731251 is an equidigital number, since it uses as much as digits as its factorization.

5545731251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105000, while the sum is 38.

The square root of 5545731251 is about 74469.6666502543. Note that the first 4 decimals coincide. The cubic root of 5545731251 is about 1770.0530111694.

The spelling of 5545731251 in words is "five billion, five hundred forty-five million, seven hundred thirty-one thousand, two hundred fifty-one".