9620000521 has 2 divisors, whose sum is σ = 9620000522. Its totient is φ = 9620000520.

The previous prime is 9620000513. The next prime is 9620000531. The reversal of 9620000521 is 1250000269.

9620000521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6158325625 + 3461674896 = 78475^2 + 58836^2 .

It is a cyclic number.

It is not a de Polignac number, because 9620000521 - 2³ = 9620000513 is a prime.

It is not a weakly prime, because it can be changed into another prime (9620000531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4810000260 + 4810000261.

It is an arithmetic number, because the mean of its divisors is an integer number (4810000261).

Almost surely, 2^9620000521 is an apocalyptic number.

It is an amenable number.

9620000521 is a deficient number, since it is larger than the sum of its proper divisors (1).

9620000521 is an equidigital number, since it uses as much as digits as its factorization.

9620000521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 9620000521 is about 98081.6013378656. The cubic root of 9620000521 is about 2126.7920676828.

The spelling of 9620000521 in words is "nine billion, six hundred twenty million, five hundred twenty-one", and thus it is an aban number.