515245316 has 12 divisors (see below), whose sum is σ = 954719388. Its totient is φ = 242468352.

The previous prime is 515245271. The next prime is 515245337. The reversal of 515245316 is 613542515.

It can be written as a sum of positive squares in 2 ways, for example, as 408040000 + 107205316 = 20200^2 + 10354^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3788501 + ... + 3788636.

It is an arithmetic number, because the mean of its divisors is an integer number (79559949).

Almost surely, 2^515245316 is an apocalyptic number.

It is an amenable number.

515245316 is a deficient number, since it is larger than the sum of its proper divisors (439474072).

515245316 is a wasteful number, since it uses less digits than its factorization.

515245316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7577158 (or 7577156 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 515245316 is about 22699.0157495870. The cubic root of 515245316 is about 801.6867100124.

The spelling of 515245316 in words is "five hundred fifteen million, two hundred forty-five thousand, three hundred sixteen".