547551149 has 2 divisors, whose sum is σ = 547551150. Its totient is φ = 547551148.

The previous prime is 547551089. The next prime is 547551167. The reversal of 547551149 is 941155745.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543729124 + 3822025 = 23318^2 + 1955^2 .

It is a cyclic number.

It is not a de Polignac number, because 547551149 - 2¹⁶ = 547485613 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (547551649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273775574 + 273775575.

It is an arithmetic number, because the mean of its divisors is an integer number (273775575).

Almost surely, 2^547551149 is an apocalyptic number.

It is an amenable number.

547551149 is a deficient number, since it is larger than the sum of its proper divisors (1).

547551149 is an equidigital number, since it uses as much as digits as its factorization.

547551149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 41.

The square root of 547551149 is about 23399.8108753041. The cubic root of 547551149 is about 818.1034639964.

The spelling of 547551149 in words is "five hundred forty-seven million, five hundred fifty-one thousand, one hundred forty-nine".