551242441 has 4 divisors (see below), whose sum is σ = 552744832. Its totient is φ = 549740052.

The previous prime is 551242423. The next prime is 551242463. The reversal of 551242441 is 144242155.

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 551242441 - 2⁵ = 551242409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551242481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750645 + ... + 751378.

It is an arithmetic number, because the mean of its divisors is an integer number (138186208).

Almost surely, 2^551242441 is an apocalyptic number.

It is an amenable number.

551242441 is a deficient number, since it is larger than the sum of its proper divisors (1502391).

551242441 is a wasteful number, since it uses less digits than its factorization.

551242441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502390.

The product of its digits is 6400, while the sum is 28.

The square root of 551242441 is about 23478.5527875975. The cubic root of 551242441 is about 819.9377510747.

Adding to 551242441 its reverse (144242155), we get a palindrome (695484596).

The spelling of 551242441 in words is "five hundred fifty-one million, two hundred forty-two thousand, four hundred forty-one".