10021061 has 2 divisors, whose sum is σ = 10021062. Its totient is φ = 10021060.

The previous prime is 10021051. The next prime is 10021069. The reversal of 10021061 is 16012001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7480225 + 2540836 = 2735^2 + 1594^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010530 + 5010531.

It is an arithmetic number, because the mean of its divisors is an integer number (5010531).

Almost surely, 2^10021061 is an apocalyptic number.

It is an amenable number.

10021061 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021061 is an equidigital number, since it uses as much as digits as its factorization.

10021061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 10021061 is about 3165.6059451549. The cubic root of 10021061 is about 215.5946114425.

Adding to 10021061 its reverse (16012001), we get a palindrome (26033062).

The spelling of 10021061 in words is "ten million, twenty-one thousand, sixty-one".