545207 has 8 divisors (see below), whose sum is σ = 621936. Its totient is φ = 473472.

The previous prime is 545203. The next prime is 545213. The reversal of 545207 is 702545.

545207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545207 - 2² = 545203 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 (545203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013 + ... + 1454.

It is an arithmetic number, because the mean of its divisors is an integer number (77742).

2⁵⁴⁵²⁰⁷ is an apocalyptic number.

545207 is a deficient number, since it is larger than the sum of its proper divisors (76729).

545207 is a wasteful number, since it uses less digits than its factorization.

545207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 545207 is about 738.3813377923. The cubic root of 545207 is about 81.6934319231.

The spelling of 545207 in words is "five hundred forty-five thousand, two hundred seven".