10069621 has 2 divisors, whose sum is σ = 10069622. Its totient is φ = 10069620.

The previous prime is 10069603. The next prime is 10069649. The reversal of 10069621 is 12696001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5948721 + 4120900 = 2439^2 + 2030^2 .

It is a cyclic number.

It is not a de Polignac number, because 10069621 - 2¹⁷ = 9938549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10069681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5034810 + 5034811.

It is an arithmetic number, because the mean of its divisors is an integer number (5034811).

Almost surely, 2^10069621 is an apocalyptic number.

It is an amenable number.

10069621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10069621 is an equidigital number, since it uses as much as digits as its factorization.

10069621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 10069621 is about 3173.2666134443. The cubic root of 10069621 is about 215.9422928260.

The spelling of 10069621 in words is "ten million, sixty-nine thousand, six hundred twenty-one".