41625439 has 2 divisors, whose sum is σ = 41625440. Its totient is φ = 41625438.

The previous prime is 41625431. The next prime is 41625491. The reversal of 41625439 is 93452614.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41625439 - 2³ = 41625431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41625431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20812719 + 20812720.

It is an arithmetic number, because the mean of its divisors is an integer number (20812720).

Almost surely, 2^41625439 is an apocalyptic number.

41625439 is a deficient number, since it is larger than the sum of its proper divisors (1).

41625439 is an equidigital number, since it uses as much as digits as its factorization.

41625439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 41625439 is about 6451.7779720012. Note that the first 3 decimals coincide. The cubic root of 41625439 is about 346.5662567719.

The spelling of 41625439 in words is "forty-one million, six hundred twenty-five thousand, four hundred thirty-nine".