547548149 has 2 divisors, whose sum is σ = 547548150. Its totient is φ = 547548148.

The previous prime is 547548091. The next prime is 547548173. The reversal of 547548149 is 941845745.

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., 416445649 + 131102500 = 20407^2 + 11450^2 .

It is a cyclic number.

It is not a de Polignac number, because 547548149 - 2⁸ = 547547893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (547548949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273774074 + 273774075.

It is an arithmetic number, because the mean of its divisors is an integer number (273774075).

Almost surely, 2^547548149 is an apocalyptic number.

It is an amenable number.

547548149 is a deficient number, since it is larger than the sum of its proper divisors (1).

547548149 is an equidigital number, since it uses as much as digits as its factorization.

547548149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 47.

The square root of 547548149 is about 23399.7467721341. The cubic root of 547548149 is about 818.1019698803.

The spelling of 547548149 in words is "five hundred forty-seven million, five hundred forty-eight thousand, one hundred forty-nine".