549451151 has 2 divisors, whose sum is σ = 549451152. Its totient is φ = 549451150.

The previous prime is 549451109. The next prime is 549451153. The reversal of 549451151 is 151154945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549451151 - 2¹⁰ = 549450127 is a prime.

Together with 549451153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549451153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274725575 + 274725576.

It is an arithmetic number, because the mean of its divisors is an integer number (274725576).

Almost surely, 2^549451151 is an apocalyptic number.

549451151 is a deficient number, since it is larger than the sum of its proper divisors (1).

549451151 is an equidigital number, since it uses as much as digits as its factorization.

549451151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 35.

The square root of 549451151 is about 23440.3743784096. The cubic root of 549451151 is about 819.0486443437.

The spelling of 549451151 in words is "five hundred forty-nine million, four hundred fifty-one thousand, one hundred fifty-one".