10015409 has 2 divisors, whose sum is σ = 10015410. Its totient is φ = 10015408.

The previous prime is 10015403. The next prime is 10015433. The reversal of 10015409 is 90451001.

10015409 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., 5626384 + 4389025 = 2372^2 + 2095^2 .

It is a cyclic number.

It is not a de Polignac number, because 10015409 - 2⁴ = 10015393 is a prime.

It is not a weakly prime, because it can be changed into another prime (10015403) 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, 5007704 + 5007705.

It is an arithmetic number, because the mean of its divisors is an integer number (5007705).

Almost surely, 2^10015409 is an apocalyptic number.

It is an amenable number.

10015409 is a deficient number, since it is larger than the sum of its proper divisors (1).

10015409 is an equidigital number, since it uses as much as digits as its factorization.

10015409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 10015409 is about 3164.7130991608. The cubic root of 10015409 is about 215.5540711608.

The spelling of 10015409 in words is "ten million, fifteen thousand, four hundred nine".