547397 has 2 divisors, whose sum is σ = 547398. Its totient is φ = 547396.

The previous prime is 547387. The next prime is 547399. The reversal of 547397 is 793745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 519841 + 27556 = 721^2 + 166^2 .

It is a cyclic number.

It is not a de Polignac number, because 547397 - 2¹⁰ = 546373 is a prime.

Together with 547399, 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 (547399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273698 + 273699.

It is an arithmetic number, because the mean of its divisors is an integer number (273699).

2⁵⁴⁷³⁹⁷ is an apocalyptic number.

It is an amenable number.

547397 is a deficient number, since it is larger than the sum of its proper divisors (1).

547397 is an equidigital number, since it uses as much as digits as its factorization.

547397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 35.

The square root of 547397 is about 739.8628251237. The cubic root of 547397 is about 81.8026684766.

The spelling of 547397 in words is "five hundred forty-seven thousand, three hundred ninety-seven".