516545 has 16 divisors (see below), whose sum is σ = 673920. Its totient is φ = 378624.

The previous prime is 516541. The next prime is 516563. The reversal of 516545 is 545615.

It is not a de Polignac number, because 516545 - 2² = 516541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4964 + ... + 5066.

It is an arithmetic number, because the mean of its divisors is an integer number (42120).

2⁵¹⁶⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

516545 is a deficient number, since it is larger than the sum of its proper divisors (157375).

516545 is a wasteful number, since it uses less digits than its factorization.

516545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184.

The product of its digits is 3000, while the sum is 26.

The square root of 516545 is about 718.7106510968. The cubic root of 516545 is about 80.2360217370.

The spelling of 516545 in words is "five hundred sixteen thousand, five hundred forty-five".