41452309 has 2 divisors, whose sum is σ = 41452310. Its totient is φ = 41452308.

The previous prime is 41452303. The next prime is 41452337. The reversal of 41452309 is 90325414.

It is an a-pointer prime, because the next prime (41452337) can be obtained adding 41452309 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38713284 + 2739025 = 6222^2 + 1655^2 .

It is a cyclic number.

It is not a de Polignac number, because 41452309 - 2¹⁵ = 41419541 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41452303) 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, 20726154 + 20726155.

It is an arithmetic number, because the mean of its divisors is an integer number (20726155).

Almost surely, 2^41452309 is an apocalyptic number.

It is an amenable number.

41452309 is a deficient number, since it is larger than the sum of its proper divisors (1).

41452309 is an equidigital number, since it uses as much as digits as its factorization.

41452309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 41452309 is about 6438.3467598445. The cubic root of 41452309 is about 346.0851055309.

The spelling of 41452309 in words is "forty-one million, four hundred fifty-two thousand, three hundred nine".