41251409 has 2 divisors, whose sum is σ = 41251410. Its totient is φ = 41251408.

The previous prime is 41251403. The next prime is 41251429. The reversal of 41251409 is 90415214.

41251409 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., 22137025 + 19114384 = 4705^2 + 4372^2 .

It is a cyclic number.

It is not a de Polignac number, because 41251409 - 2⁴ = 41251393 is a prime.

It is not a weakly prime, because it can be changed into another prime (41251403) 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, 20625704 + 20625705.

It is an arithmetic number, because the mean of its divisors is an integer number (20625705).

Almost surely, 2^41251409 is an apocalyptic number.

It is an amenable number.

41251409 is a deficient number, since it is larger than the sum of its proper divisors (1).

41251409 is an equidigital number, since it uses as much as digits as its factorization.

41251409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 41251409 is about 6422.7259788971. The cubic root of 41251409 is about 345.5250955109.

The spelling of 41251409 in words is "forty-one million, two hundred fifty-one thousand, four hundred nine".