545347 has 6 divisors (see below), whose sum is σ = 599564. Its totient is φ = 495660.

The previous prime is 545329. The next prime is 545371. The reversal of 545347 is 743545.

It is not a de Polignac number, because 545347 - 2¹¹ = 543299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2133 + ... + 2374.

2⁵⁴⁵³⁴⁷ is an apocalyptic number.

545347 is a deficient number, since it is larger than the sum of its proper divisors (54217).

545347 is a wasteful number, since it uses less digits than its factorization.

545347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4529 (or 4518 counting only the distinct ones).

The product of its digits is 8400, while the sum is 28.

The square root of 545347 is about 738.4761336699. The cubic root of 545347 is about 81.7004238250.

The spelling of 545347 in words is "five hundred forty-five thousand, three hundred forty-seven".