514520865 has 12 divisors (see below), whose sum is σ = 891836244. Its totient is φ = 274411104.

The previous prime is 514520819. The next prime is 514520869. The reversal of 514520865 is 568025415.

514520865 is a `hidden beast` number, since 51 + 4 + 520 + 86 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 218921616 + 295599249 = 14796^2 + 17193^2 .

It is not a de Polignac number, because 514520865 - 2⁶ = 514520801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (514520869) 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 11 ways as a sum of consecutive naturals, for example, 5716854 + ... + 5716943.

It is an arithmetic number, because the mean of its divisors is an integer number (74319687).

Almost surely, 2^514520865 is an apocalyptic number.

It is an amenable number.

514520865 is a deficient number, since it is larger than the sum of its proper divisors (377315379).

514520865 is a wasteful number, since it uses less digits than its factorization.

514520865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11433808 (or 11433805 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 514520865 is about 22683.0523739641. The cubic root of 514520865 is about 801.3108015968.

The spelling of 514520865 in words is "five hundred fourteen million, five hundred twenty thousand, eight hundred sixty-five".