41656129 has 2 divisors, whose sum is σ = 41656130. Its totient is φ = 41656128.

The previous prime is 41656067. The next prime is 41656133. The reversal of 41656129 is 92165614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31080625 + 10575504 = 5575^2 + 3252^2 .

It is a cyclic number.

It is not a de Polignac number, because 41656129 - 2⁹ = 41655617 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 41656094 and 41656103.

It is not a weakly prime, because it can be changed into another prime (41656159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20828064 + 20828065.

It is an arithmetic number, because the mean of its divisors is an integer number (20828065).

Almost surely, 2^41656129 is an apocalyptic number.

It is an amenable number.

41656129 is a deficient number, since it is larger than the sum of its proper divisors (1).

41656129 is an equidigital number, since it uses as much as digits as its factorization.

41656129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 41656129 is about 6454.1559479145. The cubic root of 41656129 is about 346.6514090713.

The spelling of 41656129 in words is "forty-one million, six hundred fifty-six thousand, one hundred twenty-nine".