515252536 has 16 divisors (see below), whose sum is σ = 978328800. Its totient is φ = 254364864.

The previous prime is 515252489. The next prime is 515252537. The reversal of 515252536 is 635252515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515252537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407005 + ... + 408268.

It is an arithmetic number, because the mean of its divisors is an integer number (61145550).

Almost surely, 2^515252536 is an apocalyptic number.

It is an amenable number.

515252536 is a deficient number, since it is larger than the sum of its proper divisors (463076264).

515252536 is a wasteful number, since it uses less digits than its factorization.

515252536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815358 (or 815354 counting only the distinct ones).

The product of its digits is 45000, while the sum is 34.

The square root of 515252536 is about 22699.1747867626. The cubic root of 515252536 is about 801.6904546047.

The spelling of 515252536 in words is "five hundred fifteen million, two hundred fifty-two thousand, five hundred thirty-six".