516728245 has 16 divisors (see below), whose sum is σ = 677585088. Its totient is φ = 375168640.

The previous prime is 516728231. The next prime is 516728249. The reversal of 516728245 is 542827615.

It is not a de Polignac number, because 516728245 - 2⁵ = 516728213 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 516728198 and 516728207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516728249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26322 + ... + 41548.

It is an arithmetic number, because the mean of its divisors is an integer number (42349068).

Almost surely, 2^516728245 is an apocalyptic number.

516728245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

516728245 is a deficient number, since it is larger than the sum of its proper divisors (160856843).

516728245 is a wasteful number, since it uses less digits than its factorization.

516728245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15860.

The product of its digits is 134400, while the sum is 40.

The square root of 516728245 is about 22731.6573306919. The cubic root of 516728245 is about 802.4550855904.

The spelling of 516728245 in words is "five hundred sixteen million, seven hundred twenty-eight thousand, two hundred forty-five".