387516513 has 16 divisors (see below), whose sum is σ = 549446976. Its totient is φ = 242096640.

The previous prime is 387516499. The next prime is 387516517. The reversal of 387516513 is 315615783.

It is a happy number.

It is not a de Polignac number, because 387516513 - 2⁸ = 387516257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (387516517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4423 + ... + 28188.

It is an arithmetic number, because the mean of its divisors is an integer number (34340436).

Almost surely, 2^387516513 is an apocalyptic number.

It is an amenable number.

387516513 is a deficient number, since it is larger than the sum of its proper divisors (161930463).

387516513 is a wasteful number, since it uses less digits than its factorization.

387516513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32864.

The product of its digits is 75600, while the sum is 39.

The square root of 387516513 is about 19685.4391111806. The cubic root of 387516513 is about 729.0602237236.

The spelling of 387516513 in words is "three hundred eighty-seven million, five hundred sixteen thousand, five hundred thirteen".