551339147 has 2 divisors, whose sum is σ = 551339148. Its totient is φ = 551339146.

The previous prime is 551339099. The next prime is 551339149. The reversal of 551339147 is 741933155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551339147 - 2²⁶ = 484230283 is a prime.

Together with 551339149, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551339147.

It is not a weakly prime, because it can be changed into another prime (551339149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275669573 + 275669574.

It is an arithmetic number, because the mean of its divisors is an integer number (275669574).

Almost surely, 2^551339147 is an apocalyptic number.

551339147 is a deficient number, since it is larger than the sum of its proper divisors (1).

551339147 is an equidigital number, since it uses as much as digits as its factorization.

551339147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 38.

The square root of 551339147 is about 23480.6121513047. The cubic root of 551339147 is about 819.9856962605.

The spelling of 551339147 in words is "five hundred fifty-one million, three hundred thirty-nine thousand, one hundred forty-seven".