551343241 has 4 divisors (see below), whose sum is σ = 556696192. Its totient is φ = 545990292.

The previous prime is 551343239. The next prime is 551343251. The reversal of 551343241 is 142343155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 551343241 - 2¹ = 551343239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551343251) 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 in 3 ways as a sum of consecutive naturals, for example, 2676321 + ... + 2676526.

It is an arithmetic number, because the mean of its divisors is an integer number (139174048).

Almost surely, 2^551343241 is an apocalyptic number.

It is an amenable number.

551343241 is a deficient number, since it is larger than the sum of its proper divisors (5352951).

551343241 is a wasteful number, since it uses less digits than its factorization.

551343241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5352950.

The product of its digits is 7200, while the sum is 28.

The square root of 551343241 is about 23480.6993294493. The cubic root of 551343241 is about 819.9877258722.

Adding to 551343241 its reverse (142343155), we get a palindrome (693686396).

The spelling of 551343241 in words is "five hundred fifty-one million, three hundred forty-three thousand, two hundred forty-one".