551451349 has 2 divisors, whose sum is σ = 551451350. Its totient is φ = 551451348.

The previous prime is 551451301. The next prime is 551451361. The reversal of 551451349 is 943154155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 467856900 + 83594449 = 21630^2 + 9143^2 .

It is a cyclic number.

It is not a de Polignac number, because 551451349 - 2¹⁷ = 551320277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551451149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275725674 + 275725675.

It is an arithmetic number, because the mean of its divisors is an integer number (275725675).

Almost surely, 2^551451349 is an apocalyptic number.

It is an amenable number.

551451349 is a deficient number, since it is larger than the sum of its proper divisors (1).

551451349 is an equidigital number, since it uses as much as digits as its factorization.

551451349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 37.

The square root of 551451349 is about 23483.0012775199. The cubic root of 551451349 is about 820.0413170734.

The spelling of 551451349 in words is "five hundred fifty-one million, four hundred fifty-one thousand, three hundred forty-nine".