41156749 has 2 divisors, whose sum is σ = 41156750. Its totient is φ = 41156748.

The previous prime is 41156737. The next prime is 41156777. The reversal of 41156749 is 94765114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40068900 + 1087849 = 6330^2 + 1043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41156749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41156789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20578374 + 20578375.

It is an arithmetic number, because the mean of its divisors is an integer number (20578375).

Almost surely, 2^41156749 is an apocalyptic number.

It is an amenable number.

41156749 is a deficient number, since it is larger than the sum of its proper divisors (1).

41156749 is an equidigital number, since it uses as much as digits as its factorization.

41156749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 41156749 is about 6415.3526013774. The cubic root of 41156749 is about 345.2605998546.

It can be divided in two parts, 41156 and 749, that added together give a triangular number (41905 = T₂₈₉).

The spelling of 41156749 in words is "forty-one million, one hundred fifty-six thousand, seven hundred forty-nine".