547485317 has 4 divisors (see below), whose sum is σ = 547544460. Its totient is φ = 547426176.

The previous prime is 547485313. The next prime is 547485319. The reversal of 547485317 is 713584745.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 147525316 + 399960001 = 12146^2 + 19999^2 .

It is a cyclic number.

It is not a de Polignac number, because 547485317 - 2² = 547485313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547485313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12338 + ... + 35315.

It is an arithmetic number, because the mean of its divisors is an integer number (136886115).

Almost surely, 2^547485317 is an apocalyptic number.

It is an amenable number.

547485317 is a deficient number, since it is larger than the sum of its proper divisors (59143).

547485317 is a wasteful number, since it uses less digits than its factorization.

547485317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59142.

The product of its digits is 470400, while the sum is 44.

The square root of 547485317 is about 23398.4041549846. The cubic root of 547485317 is about 818.0706758596.

The spelling of 547485317 in words is "five hundred forty-seven million, four hundred eighty-five thousand, three hundred seventeen".