551734349 has 2 divisors, whose sum is σ = 551734350. Its totient is φ = 551734348.

The previous prime is 551734319. The next prime is 551734423. The reversal of 551734349 is 943437155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 523036900 + 28697449 = 22870^2 + 5357^2 .

It is a cyclic number.

It is not a de Polignac number, because 551734349 - 2⁸ = 551734093 is a prime.

It is equal to p_28931693 and since 551734349 and 28931693 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551734319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275867174 + 275867175.

It is an arithmetic number, because the mean of its divisors is an integer number (275867175).

Almost surely, 2^551734349 is an apocalyptic number.

It is an amenable number.

551734349 is a deficient number, since it is larger than the sum of its proper divisors (1).

551734349 is an equidigital number, since it uses as much as digits as its factorization.

551734349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 41.

The square root of 551734349 is about 23489.0261398807. The cubic root of 551734349 is about 820.1815724229.

The spelling of 551734349 in words is "five hundred fifty-one million, seven hundred thirty-four thousand, three hundred forty-nine".