530841621 has 8 divisors (see below), whose sum is σ = 708246784. Its totient is φ = 353665440.

The previous prime is 530841539. The next prime is 530841629. The reversal of 530841621 is 126148035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 530841621 - 2²⁷ = 396623893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530841629) 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 7 ways as a sum of consecutive naturals, for example, 51760 + ... + 61161.

It is an arithmetic number, because the mean of its divisors is an integer number (88530848).

Almost surely, 2^530841621 is an apocalyptic number.

It is an amenable number.

530841621 is a deficient number, since it is larger than the sum of its proper divisors (177405163).

530841621 is a wasteful number, since it uses less digits than its factorization.

530841621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114491.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 530841621 is about 23040.0004557292. Note that the first 3 decimals coincide. The cubic root of 530841621 is about 809.6953693668.

Adding to 530841621 its reverse (126148035), we get a palindrome (656989656).

The spelling of 530841621 in words is "five hundred thirty million, eight hundred forty-one thousand, six hundred twenty-one".