500345 has 4 divisors (see below), whose sum is σ = 600420. Its totient is φ = 400272.

The previous prime is 500341. The next prime is 500363. The reversal of 500345 is 543005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 310249 + 190096 = 557^2 + 436^2 .

It is a cyclic number.

It is not a de Polignac number, because 500345 - 2² = 500341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (500341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50030 + ... + 50039.

It is an arithmetic number, because the mean of its divisors is an integer number (150105).

2⁵⁰⁰³⁴⁵ is an apocalyptic number.

It is an amenable number.

500345 is a deficient number, since it is larger than the sum of its proper divisors (100075).

500345 is a wasteful number, since it uses less digits than its factorization.

500345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100074.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 500345 is about 707.3506909589. The cubic root of 500345 is about 79.3883035134.

The spelling of 500345 in words is "five hundred thousand, three hundred forty-five".