551427841 has 2 divisors, whose sum is σ = 551427842. Its totient is φ = 551427840.

The previous prime is 551427791. The next prime is 551427853. The reversal of 551427841 is 148724155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341177841 + 210250000 = 18471^2 + 14500^2 .

It is a cyclic number.

It is not a de Polignac number, because 551427841 - 2¹¹ = 551425793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551427841.

It is not a weakly prime, because it can be changed into another prime (551427871) 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, 275713920 + 275713921.

It is an arithmetic number, because the mean of its divisors is an integer number (275713921).

Almost surely, 2^551427841 is an apocalyptic number.

It is an amenable number.

551427841 is a deficient number, since it is larger than the sum of its proper divisors (1).

551427841 is an equidigital number, since it uses as much as digits as its factorization.

551427841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44800, while the sum is 37.

The square root of 551427841 is about 23482.5007399127. The cubic root of 551427841 is about 820.0296643046.

The spelling of 551427841 in words is "five hundred fifty-one million, four hundred twenty-seven thousand, eight hundred forty-one".