41565973 has 2 divisors, whose sum is σ = 41565974. Its totient is φ = 41565972.

The previous prime is 41565967. The next prime is 41565989. The reversal of 41565973 is 37956514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25381444 + 16184529 = 5038^2 + 4023^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41565973 is a prime.

It is a super-2 number, since 2×41565973² = 3455460222873458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41565943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20782986 + 20782987.

It is an arithmetic number, because the mean of its divisors is an integer number (20782987).

Almost surely, 2^41565973 is an apocalyptic number.

It is an amenable number.

41565973 is a deficient number, since it is larger than the sum of its proper divisors (1).

41565973 is an equidigital number, since it uses as much as digits as its factorization.

41565973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 40.

The square root of 41565973 is about 6447.1678278140. The cubic root of 41565973 is about 346.4011435522.

The spelling of 41565973 in words is "forty-one million, five hundred sixty-five thousand, nine hundred seventy-three".