10075621 has 2 divisors, whose sum is σ = 10075622. Its totient is φ = 10075620.

The previous prime is 10075613. The next prime is 10075657. The reversal of 10075621 is 12657001.

10075621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5062500 + 5013121 = 2250^2 + 2239^2 .

It is a cyclic number.

It is not a de Polignac number, because 10075621 - 2³ = 10075613 is a prime.

It is a nialpdrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 10075592 and 10075601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10075691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5037810 + 5037811.

It is an arithmetic number, because the mean of its divisors is an integer number (5037811).

Almost surely, 2^10075621 is an apocalyptic number.

It is an amenable number.

10075621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10075621 is an equidigital number, since it uses as much as digits as its factorization.

10075621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 10075621 is about 3174.2118706854. The cubic root of 10075621 is about 215.9851741653.

The spelling of 10075621 in words is "ten million, seventy-five thousand, six hundred twenty-one".