41790509 has 2 divisors, whose sum is σ = 41790510. Its totient is φ = 41790508.

The previous prime is 41790457. The next prime is 41790523. The reversal of 41790509 is 90509714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40998409 + 792100 = 6403^2 + 890^2 .

It is a cyclic number.

It is not a de Polignac number, because 41790509 - 2¹² = 41786413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41790569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20895254 + 20895255.

It is an arithmetic number, because the mean of its divisors is an integer number (20895255).

Almost surely, 2^41790509 is an apocalyptic number.

It is an amenable number.

41790509 is a deficient number, since it is larger than the sum of its proper divisors (1).

41790509 is an equidigital number, since it uses as much as digits as its factorization.

41790509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 41790509 is about 6464.5579121855. The cubic root of 41790509 is about 347.0237673594.

The spelling of 41790509 in words is "forty-one million, seven hundred ninety thousand, five hundred nine".