41561647 has 2 divisors, whose sum is σ = 41561648. Its totient is φ = 41561646.

The previous prime is 41561623. The next prime is 41561671. The reversal of 41561647 is 74616514.

It is a balanced prime because it is at equal distance from previous prime (41561623) and next prime (41561671).

It is a cyclic number.

It is not a de Polignac number, because 41561647 - 2¹¹ = 41559599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41591647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20780823 + 20780824.

It is an arithmetic number, because the mean of its divisors is an integer number (20780824).

Almost surely, 2^41561647 is an apocalyptic number.

41561647 is a deficient number, since it is larger than the sum of its proper divisors (1).

41561647 is an equidigital number, since it uses as much as digits as its factorization.

41561647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 41561647 is about 6446.8323229319. The cubic root of 41561647 is about 346.3891258429.

It can be divided in two parts, 4 and 1561647, that added together give a palindrome (1561651).

The spelling of 41561647 in words is "forty-one million, five hundred sixty-one thousand, six hundred forty-seven".