1028960521 has 2 divisors, whose sum is σ = 1028960522. Its totient is φ = 1028960520.

The previous prime is 1028960509. The next prime is 1028960533. The reversal of 1028960521 is 1250698201.

It is a balanced prime because it is at equal distance from previous prime (1028960509) and next prime (1028960533).

It can be written as a sum of positive squares in only one way, i.e., 1023296121 + 5664400 = 31989^2 + 2380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1028960521 - 2⁵ = 1028960489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1028960501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514480260 + 514480261.

It is an arithmetic number, because the mean of its divisors is an integer number (514480261).

Almost surely, 2^1028960521 is an apocalyptic number.

It is an amenable number.

1028960521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028960521 is an equidigital number, since it uses as much as digits as its factorization.

1028960521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1028960521 is about 32077.4144999250. The cubic root of 1028960521 is about 1009.5617878095.

The spelling of 1028960521 in words is "one billion, twenty-eight million, nine hundred sixty thousand, five hundred twenty-one".