41645983 has 2 divisors, whose sum is σ = 41645984. Its totient is φ = 41645982.

The previous prime is 41645963. The next prime is 41645993. The reversal of 41645983 is 38954614.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41645983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41645963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20822991 + 20822992.

It is an arithmetic number, because the mean of its divisors is an integer number (20822992).

Almost surely, 2^41645983 is an apocalyptic number.

41645983 is a deficient number, since it is larger than the sum of its proper divisors (1).

41645983 is an equidigital number, since it uses as much as digits as its factorization.

41645983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The square root of 41645983 is about 6453.3698948689. The cubic root of 41645983 is about 346.6232626666.

The spelling of 41645983 in words is "forty-one million, six hundred forty-five thousand, nine hundred eighty-three".