551425027 has 2 divisors, whose sum is σ = 551425028. Its totient is φ = 551425026.

The previous prime is 551425013. The next prime is 551425057. The reversal of 551425027 is 720524155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551425027 - 2⁷ = 551424899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551425027.

It is not a weakly prime, because it can be changed into another prime (551425057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275712513 + 275712514.

It is an arithmetic number, because the mean of its divisors is an integer number (275712514).

Almost surely, 2^551425027 is an apocalyptic number.

551425027 is a deficient number, since it is larger than the sum of its proper divisors (1).

551425027 is an equidigital number, since it uses as much as digits as its factorization.

551425027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 551425027 is about 23482.4408228787. The cubic root of 551425027 is about 820.0282694002.

The spelling of 551425027 in words is "five hundred fifty-one million, four hundred twenty-five thousand, twenty-seven".