501650530 has 16 divisors (see below), whose sum is σ = 903226104. Its totient is φ = 200603520.

The previous prime is 501650491. The next prime is 501650531. The reversal of 501650530 is 35056105.

It can be written as a sum of positive squares in 4 ways, for example, as 303770041 + 197880489 = 17429^2 + 14067^2 .

It is a junction number, because it is equal to n+sod(n) for n = 501650495 and 501650504.

It is not an unprimeable number, because it can be changed into a prime (501650531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64744 + ... + 72076.

Almost surely, 2^501650530 is an apocalyptic number.

501650530 is a deficient number, since it is larger than the sum of its proper divisors (401575574).

501650530 is a wasteful number, since it uses less digits than its factorization.

501650530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14181.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 501650530 is about 22397.5563399224. The cubic root of 501650530 is about 794.5729177673.

The spelling of 501650530 in words is "five hundred one million, six hundred fifty thousand, five hundred thirty".