10306064521 has 2 divisors, whose sum is σ = 10306064522. Its totient is φ = 10306064520.

The previous prime is 10306064519. The next prime is 10306064609. The reversal of 10306064521 is 12546060301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5636255625 + 4669808896 = 75075^2 + 68336^2 .

It is a cyclic number.

It is not a de Polignac number, because 10306064521 - 2¹ = 10306064519 is a prime.

It is a super-2 number, since 2×10306064521² (a number of 21 digits) contains 22 as substring.

Together with 10306064519, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10306064521.

It is not a weakly prime, because it can be changed into another prime (10306164521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5153032260 + 5153032261.

It is an arithmetic number, because the mean of its divisors is an integer number (5153032261).

Almost surely, 2^10306064521 is an apocalyptic number.

It is an amenable number.

10306064521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10306064521 is an equidigital number, since it uses as much as digits as its factorization.

10306064521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 10306064521 in words is "ten billion, three hundred six million, sixty-four thousand, five hundred twenty-one".