41565481 has 2 divisors, whose sum is σ = 41565482. Its totient is φ = 41565480.

The previous prime is 41565473. The next prime is 41565509. The reversal of 41565481 is 18456514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32661225 + 8904256 = 5715^2 + 2984^2 .

It is a cyclic number.

It is not a de Polignac number, because 41565481 - 2³ = 41565473 is a prime.

It is a super-2 number, since 2×41565481² = 3455378421522722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41565401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20782740 + 20782741.

It is an arithmetic number, because the mean of its divisors is an integer number (20782741).

Almost surely, 2^41565481 is an apocalyptic number.

It is an amenable number.

41565481 is a deficient number, since it is larger than the sum of its proper divisors (1).

41565481 is an equidigital number, since it uses as much as digits as its factorization.

41565481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 34.

The square root of 41565481 is about 6447.1296714119. The cubic root of 41565481 is about 346.3997768090.

The spelling of 41565481 in words is "forty-one million, five hundred sixty-five thousand, four hundred eighty-one".