10530263021 has 2 divisors, whose sum is σ = 10530263022. Its totient is φ = 10530263020.

The previous prime is 10530262987. The next prime is 10530263041. The reversal of 10530263021 is 12036203501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10523887396 + 6375625 = 102586^2 + 2525^2 .

It is a cyclic number.

It is not a de Polignac number, because 10530263021 - 2⁶ = 10530262957 is a prime.

It is a super-2 number, since 2×10530263021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10530263041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5265131510 + 5265131511.

It is an arithmetic number, because the mean of its divisors is an integer number (5265131511).

Almost surely, 2^10530263021 is an apocalyptic number.

It is an amenable number.

10530263021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10530263021 is an equidigital number, since it uses as much as digits as its factorization.

10530263021 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 23.

Adding to 10530263021 its reverse (12036203501), we get a palindrome (22566466522).

The spelling of 10530263021 in words is "ten billion, five hundred thirty million, two hundred sixty-three thousand, twenty-one".