41540531 has 2 divisors, whose sum is σ = 41540532. Its totient is φ = 41540530.

The previous prime is 41540509. The next prime is 41540533. The reversal of 41540531 is 13504514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41540531 - 2¹⁸ = 41278387 is a prime.

It is a super-2 number, since 2×41540531² = 3451231431523922, which contains 22 as substring.

Together with 41540533, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 41540497 and 41540506.

It is not a weakly prime, because it can be changed into another prime (41540533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20770265 + 20770266.

It is an arithmetic number, because the mean of its divisors is an integer number (20770266).

Almost surely, 2^41540531 is an apocalyptic number.

41540531 is a deficient number, since it is larger than the sum of its proper divisors (1).

41540531 is an equidigital number, since it uses as much as digits as its factorization.

41540531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 41540531 is about 6445.1944113425. The cubic root of 41540531 is about 346.3304532254.

The spelling of 41540531 in words is "forty-one million, five hundred forty thousand, five hundred thirty-one".