530215054421 has 8 divisors (see below), whose sum is σ = 571048199064. Its totient is φ = 489388677120.

The previous prime is 530215054417. The next prime is 530215054441. The reversal of 530215054421 is 124450512035.

It can be written as a sum of positive squares in 4 ways, for example, as 3755973796 + 526459080625 = 61286^2 + 725575^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 530215054421 - 2² = 530215054417 is a prime.

It is a super-2 number, since 2×530215054421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530215054441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1528520 + ... + 1843041.

It is an arithmetic number, because the mean of its divisors is an integer number (71381024883).

Almost surely, 2^530215054421 is an apocalyptic number.

It is an amenable number.

530215054421 is a deficient number, since it is larger than the sum of its proper divisors (40833144643).

530215054421 is a wasteful number, since it uses less digits than its factorization.

530215054421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383671.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 530215054421 its reverse (124450512035), we get a palindrome (654665566456).

The spelling of 530215054421 in words is "five hundred thirty billion, two hundred fifteen million, fifty-four thousand, four hundred twenty-one".