41521559 has 2 divisors, whose sum is σ = 41521560. Its totient is φ = 41521558.

The previous prime is 41521547. The next prime is 41521567. The reversal of 41521559 is 95512514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41521559 - 2⁸ = 41521303 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41521589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20760779 + 20760780.

It is an arithmetic number, because the mean of its divisors is an integer number (20760780).

Almost surely, 2^41521559 is an apocalyptic number.

41521559 is a deficient number, since it is larger than the sum of its proper divisors (1).

41521559 is an equidigital number, since it uses as much as digits as its factorization.

41521559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 32.

The square root of 41521559 is about 6443.7224490197. The cubic root of 41521559 is about 346.2777209361.

The spelling of 41521559 in words is "forty-one million, five hundred twenty-one thousand, five hundred fifty-nine".