41403409 has 2 divisors, whose sum is σ = 41403410. Its totient is φ = 41403408.

The previous prime is 41403391. The next prime is 41403431. The reversal of 41403409 is 90430414.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40602384 + 801025 = 6372^2 + 895^2 .

It is a cyclic number.

It is not a de Polignac number, because 41403409 - 2⁹ = 41402897 is a prime.

It is not a weakly prime, because it can be changed into another prime (41403469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20701704 + 20701705.

It is an arithmetic number, because the mean of its divisors is an integer number (20701705).

Almost surely, 2^41403409 is an apocalyptic number.

It is an amenable number.

41403409 is a deficient number, since it is larger than the sum of its proper divisors (1).

41403409 is an equidigital number, since it uses as much as digits as its factorization.

41403409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 41403409 is about 6434.5480804793. The cubic root of 41403409 is about 345.9489633700.

The spelling of 41403409 in words is "forty-one million, four hundred three thousand, four hundred nine".