530180921 has 16 divisors (see below), whose sum is σ = 597585600. Its totient is φ = 467394048.

The previous prime is 530180909. The next prime is 530181031. The reversal of 530180921 is 129081035.

It is a cyclic number.

It is not a de Polignac number, because 530180921 - 2⁶ = 530180857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (530185921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19526 + ... + 37968.

It is an arithmetic number, because the mean of its divisors is an integer number (37349100).

Almost surely, 2^530180921 is an apocalyptic number.

It is an amenable number.

530180921 is a deficient number, since it is larger than the sum of its proper divisors (67404679).

530180921 is a wasteful number, since it uses less digits than its factorization.

530180921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18568.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 530180921 is about 23025.6578841952. The cubic root of 530180921 is about 809.3593069034.

The spelling of 530180921 in words is "five hundred thirty million, one hundred eighty thousand, nine hundred twenty-one".