530521011 has 18 divisors (see below), whose sum is σ = 791838060. Its totient is φ = 342266040.

The previous prime is 530520973. The next prime is 530521031. The reversal of 530521011 is 110125035.

It is not a de Polignac number, because 530521011 - 2⁹ = 530520499 is a prime.

It is a super-2 number, since 2×530521011² = 562905086224924242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (530521031) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22021 + ... + 39318.

Almost surely, 2^530521011 is an apocalyptic number.

530521011 is a deficient number, since it is larger than the sum of its proper divisors (261317049).

530521011 is a wasteful number, since it uses less digits than its factorization.

530521011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61407 (or 61373 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 530521011 is about 23033.0417227078. The cubic root of 530521011 is about 809.5323271950.

Adding to 530521011 its reverse (110125035), we get a palindrome (640646046).

The spelling of 530521011 in words is "five hundred thirty million, five hundred twenty-one thousand, eleven".