41555281 has 2 divisors, whose sum is σ = 41555282. Its totient is φ = 41555280.

The previous prime is 41555249. The next prime is 41555287. The reversal of 41555281 is 18255514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31820881 + 9734400 = 5641^2 + 3120^2 .

It is a cyclic number.

It is not a de Polignac number, because 41555281 - 2⁵ = 41555249 is a prime.

It is a super-2 number, since 2×41555281² = 3453682757977922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41555287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20777640 + 20777641.

It is an arithmetic number, because the mean of its divisors is an integer number (20777641).

Almost surely, 2^41555281 is an apocalyptic number.

It is an amenable number.

41555281 is a deficient number, since it is larger than the sum of its proper divisors (1).

41555281 is an equidigital number, since it uses as much as digits as its factorization.

41555281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8000, while the sum is 31.

The square root of 41555281 is about 6446.3385731747. The cubic root of 41555281 is about 346.3714394587.

It can be divided in two parts, 415 and 55281, that added together give a square (55696 = 236²).

The spelling of 41555281 in words is "forty-one million, five hundred fifty-five thousand, two hundred eighty-one".