10143409 has 2 divisors, whose sum is σ = 10143410. Its totient is φ = 10143408.

The previous prime is 10143401. The next prime is 10143433. The reversal of 10143409 is 90434101.

10143409 is digitally balanced in base 2, 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., 6426225 + 3717184 = 2535^2 + 1928^2 .

It is a cyclic number.

It is not a de Polignac number, because 10143409 - 2³ = 10143401 is a prime.

It is a super-2 number, since 2×10143409² = 205777492282562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10143409.

It is not a weakly prime, because it can be changed into another prime (10143401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071704 + 5071705.

It is an arithmetic number, because the mean of its divisors is an integer number (5071705).

Almost surely, 2^10143409 is an apocalyptic number.

It is an amenable number.

10143409 is a deficient number, since it is larger than the sum of its proper divisors (1).

10143409 is an equidigital number, since it uses as much as digits as its factorization.

10143409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 10143409 is about 3184.8718969528. The cubic root of 10143409 is about 216.4684691141.

The spelling of 10143409 in words is "ten million, one hundred forty-three thousand, four hundred nine".