551425243 has 8 divisors (see below), whose sum is σ = 588321360. Its totient is φ = 515024640.

The previous prime is 551425211. The next prime is 551425247. The reversal of 551425243 is 342524155.

551425243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551425243 - 2⁵ = 551425211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551425247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121578 + ... + 126031.

It is an arithmetic number, because the mean of its divisors is an integer number (73540170).

Almost surely, 2^551425243 is an apocalyptic number.

551425243 is a deficient number, since it is larger than the sum of its proper divisors (36896117).

551425243 is a wasteful number, since it uses less digits than its factorization.

551425243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247757.

The product of its digits is 24000, while the sum is 31.

The square root of 551425243 is about 23482.4454220594. The cubic root of 551425243 is about 820.0283764719.

Adding to 551425243 its reverse (342524155), we get a palindrome (893949398).

The spelling of 551425243 in words is "five hundred fifty-one million, four hundred twenty-five thousand, two hundred forty-three".