551232893 has 2 divisors, whose sum is σ = 551232894. Its totient is φ = 551232892.

The previous prime is 551232889. The next prime is 551232907. The reversal of 551232893 is 398232155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540190564 + 11042329 = 23242^2 + 3323^2 .

It is a cyclic number.

It is not a de Polignac number, because 551232893 - 2² = 551232889 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551232833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275616446 + 275616447.

It is an arithmetic number, because the mean of its divisors is an integer number (275616447).

Almost surely, 2^551232893 is an apocalyptic number.

It is an amenable number.

551232893 is a deficient number, since it is larger than the sum of its proper divisors (1).

551232893 is an equidigital number, since it uses as much as digits as its factorization.

551232893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 551232893 is about 23478.3494522081. The cubic root of 551232893 is about 819.9330170350.

The spelling of 551232893 in words is "five hundred fifty-one million, two hundred thirty-two thousand, eight hundred ninety-three".