545315 has 4 divisors (see below), whose sum is σ = 654384. Its totient is φ = 436248.

The previous prime is 545291. The next prime is 545329. The reversal of 545315 is 513545.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545315 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54527 + ... + 54536.

It is an arithmetic number, because the mean of its divisors is an integer number (163596).

2⁵⁴⁵³¹⁵ is an apocalyptic number.

545315 is a deficient number, since it is larger than the sum of its proper divisors (109069).

545315 is a wasteful number, since it uses less digits than its factorization.

545315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109068.

The product of its digits is 1500, while the sum is 23.

The square root of 545315 is about 738.4544671136. The cubic root of 545315 is about 81.6988257815.

The spelling of 545315 in words is "five hundred forty-five thousand, three hundred fifteen".