551225723 has 2 divisors, whose sum is σ = 551225724. Its totient is φ = 551225722.

The previous prime is 551225713. The next prime is 551225737. The reversal of 551225723 is 327522155.

551225723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551225723 - 2²⁶ = 484116859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551225723.

It is not a weakly prime, because it can be changed into another prime (551225713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275612861 + 275612862.

It is an arithmetic number, because the mean of its divisors is an integer number (275612862).

Almost surely, 2^551225723 is an apocalyptic number.

551225723 is a deficient number, since it is larger than the sum of its proper divisors (1).

551225723 is an equidigital number, since it uses as much as digits as its factorization.

551225723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21000, while the sum is 32.

The square root of 551225723 is about 23478.1967578432. The cubic root of 551225723 is about 819.9294620069.

Adding to 551225723 its reverse (327522155), we get a palindrome (878747878).

The spelling of 551225723 in words is "five hundred fifty-one million, two hundred twenty-five thousand, seven hundred twenty-three".