41457281 has 2 divisors, whose sum is σ = 41457282. Its totient is φ = 41457280.

The previous prime is 41457277. The next prime is 41457287. The reversal of 41457281 is 18275414.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27206656 + 14250625 = 5216^2 + 3775^2 .

It is a cyclic number.

It is not a de Polignac number, because 41457281 - 2² = 41457277 is a prime.

It is a super-2 number, since 2×41457281² = 3437412295825922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41457287) 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, 20728640 + 20728641.

It is an arithmetic number, because the mean of its divisors is an integer number (20728641).

Almost surely, 2^41457281 is an apocalyptic number.

It is an amenable number.

41457281 is a deficient number, since it is larger than the sum of its proper divisors (1).

41457281 is an equidigital number, since it uses as much as digits as its factorization.

41457281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8960, while the sum is 32.

The square root of 41457281 is about 6438.7328722350. The cubic root of 41457281 is about 346.0989420448.

The spelling of 41457281 in words is "forty-one million, four hundred fifty-seven thousand, two hundred eighty-one".