41288561 has 2 divisors, whose sum is σ = 41288562. Its totient is φ = 41288560.

The previous prime is 41288551. The next prime is 41288567. The reversal of 41288561 is 16588214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27457600 + 13830961 = 5240^2 + 3719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41288561 is a prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (41288567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20644280 + 20644281.

It is an arithmetic number, because the mean of its divisors is an integer number (20644281).

Almost surely, 2^41288561 is an apocalyptic number.

It is an amenable number.

41288561 is a deficient number, since it is larger than the sum of its proper divisors (1).

41288561 is an equidigital number, since it uses as much as digits as its factorization.

41288561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 35.

The square root of 41288561 is about 6425.6175578694. The cubic root of 41288561 is about 345.6287937588.

The spelling of 41288561 in words is "forty-one million, two hundred eighty-eight thousand, five hundred sixty-one".