551000629 has 2 divisors, whose sum is σ = 551000630. Its totient is φ = 551000628.

The previous prime is 551000623. The next prime is 551000647. The reversal of 551000629 is 926000155.

551000629 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 can be written as a sum of positive squares in only one way, i.e., 547092100 + 3908529 = 23390^2 + 1977^2 .

It is a cyclic number.

It is not a de Polignac number, because 551000629 - 2⁹ = 551000117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551000597 and 551000606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551000623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275500314 + 275500315.

It is an arithmetic number, because the mean of its divisors is an integer number (275500315).

Almost surely, 2^551000629 is an apocalyptic number.

It is an amenable number.

551000629 is a deficient number, since it is larger than the sum of its proper divisors (1).

551000629 is an equidigital number, since it uses as much as digits as its factorization.

551000629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 551000629 is about 23473.4025867576. The cubic root of 551000629 is about 819.8178402627.

The spelling of 551000629 in words is "five hundred fifty-one million, six hundred twenty-nine", and thus it is an aban number.