530121013 has 8 divisors (see below), whose sum is σ = 564216408. Its totient is φ = 496349184.

The previous prime is 530120989. The next prime is 530121017. The reversal of 530121013 is 310121035.

It can be written as a sum of positive squares in 4 ways, for example, as 117137329 + 412983684 = 10823^2 + 20322^2 .

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 530121013 - 2²¹ = 528023861 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 (530121017) 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, 77506 + ... + 84067.

It is an arithmetic number, because the mean of its divisors is an integer number (70527051).

Almost surely, 2^530121013 is an apocalyptic number.

It is an amenable number.

530121013 is a deficient number, since it is larger than the sum of its proper divisors (34095395).

530121013 is a wasteful number, since it uses less digits than its factorization.

530121013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161783.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 530121013 is about 23024.3569508466. The cubic root of 530121013 is about 809.3288211316.

Adding to 530121013 its reverse (310121035), we get a palindrome (840242048).

The spelling of 530121013 in words is "five hundred thirty million, one hundred twenty-one thousand, thirteen".