515002642 has 24 divisors (see below), whose sum is σ = 980322480. Its totient is φ = 200649960.

The previous prime is 515002613. The next prime is 515002651. The reversal of 515002642 is 246200515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237792 + ... + 239947.

It is an arithmetic number, because the mean of its divisors is an integer number (40846770).

Almost surely, 2^515002642 is an apocalyptic number.

515002642 is a deficient number, since it is larger than the sum of its proper divisors (465319838).

515002642 is a wasteful number, since it uses less digits than its factorization.

515002642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477766 (or 477759 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 515002642 is about 22693.6696459607. The cubic root of 515002642 is about 801.5608288279.

The spelling of 515002642 in words is "five hundred fifteen million, two thousand, six hundred forty-two".