501515930 has 16 divisors (see below), whose sum is σ = 918030240. Its totient is φ = 197206032.

The previous prime is 501515921. The next prime is 501515947. The reversal of 501515930 is 39515105.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 501515893 and 501515902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424424 + ... + 425603.

It is an arithmetic number, because the mean of its divisors is an integer number (57376890).

Almost surely, 2^501515930 is an apocalyptic number.

501515930 is a deficient number, since it is larger than the sum of its proper divisors (416514310).

501515930 is a wasteful number, since it uses less digits than its factorization.

501515930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850093.

The product of its (nonzero) digits is 3375, while the sum is 29.

The square root of 501515930 is about 22394.5513462538. The cubic root of 501515930 is about 794.5018463241.

The spelling of 501515930 in words is "five hundred one million, five hundred fifteen thousand, nine hundred thirty".