547270649 has 2 divisors, whose sum is σ = 547270650. Its totient is φ = 547270648.

The previous prime is 547270637. The next prime is 547270667. The reversal of 547270649 is 946072745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 542890000 + 4380649 = 23300^2 + 2093^2 .

It is a cyclic number.

It is not a de Polignac number, because 547270649 - 2¹² = 547266553 is a prime.

It is a super-3 number, since 3×547270649³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (547270849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273635324 + 273635325.

It is an arithmetic number, because the mean of its divisors is an integer number (273635325).

Almost surely, 2^547270649 is an apocalyptic number.

It is an amenable number.

547270649 is a deficient number, since it is larger than the sum of its proper divisors (1).

547270649 is an equidigital number, since it uses as much as digits as its factorization.

547270649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 547270649 is about 23393.8164693151. The cubic root of 547270649 is about 817.9637405392.

The spelling of 547270649 in words is "five hundred forty-seven million, two hundred seventy thousand, six hundred forty-nine".