551501341 has 2 divisors, whose sum is σ = 551501342. Its totient is φ = 551501340.

The previous prime is 551501339. The next prime is 551501347. The reversal of 551501341 is 143105155.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 549668025 + 1833316 = 23445^2 + 1354^2 .

It is a cyclic number.

It is not a de Polignac number, because 551501341 - 2¹ = 551501339 is a prime.

Together with 551501339, 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 (551501347) 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 as a sum of consecutive naturals, namely, 275750670 + 275750671.

It is an arithmetic number, because the mean of its divisors is an integer number (275750671).

Almost surely, 2^551501341 is an apocalyptic number.

It is an amenable number.

551501341 is a deficient number, since it is larger than the sum of its proper divisors (1).

551501341 is an equidigital number, since it uses as much as digits as its factorization.

551501341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 551501341 is about 23484.0656829264. The cubic root of 551501341 is about 820.0660966947.

Adding to 551501341 its reverse (143105155), we get a palindrome (694606496).

The spelling of 551501341 in words is "five hundred fifty-one million, five hundred one thousand, three hundred forty-one".