530795521 has 3 divisors (see below), whose sum is σ = 530818561. Its totient is φ = 530772482.

The previous prime is 530795509. The next prime is 530795567. The reversal of 530795521 is 125597035.

It is a happy number.

The square root of 530795521 is 23039.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 530795521 - 2²¹ = 528698369 is a prime.

It is a super-2 number, since 2×530795521² = 563487770227322882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530790521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11520 + ... + 34558.

Almost surely, 2^530795521 is an apocalyptic number.

530795521 is the 23039-th square number.

530795521 is the 11520-th centered octagonal number.

It is an amenable number.

530795521 is a deficient number, since it is larger than the sum of its proper divisors (23040).

530795521 is an frugal number, since it uses more digits than its factorization.

530795521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46078 (or 23039 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 37.

The cubic root of 530795521 is about 809.6719298351.

The spelling of 530795521 in words is "five hundred thirty million, seven hundred ninety-five thousand, five hundred twenty-one".