41021643 has 16 divisors (see below), whose sum is σ = 59222016. Its totient is φ = 25107360.

The previous prime is 41021633. The next prime is 41021653. The reversal of 41021643 is 34612014.

It is an interprime number because it is at equal distance from previous prime (41021633) and next prime (41021653).

It is not a de Polignac number, because 41021643 - 2⁹ = 41021131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41021633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4696 + ... + 10202.

It is an arithmetic number, because the mean of its divisors is an integer number (3701376).

Almost surely, 2^41021643 is an apocalyptic number.

41021643 is a deficient number, since it is larger than the sum of its proper divisors (18200373).

41021643 is a wasteful number, since it uses less digits than its factorization.

41021643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 41021643 is about 6404.8140488230. The cubic root of 41021643 is about 344.8823879714.

Adding to 41021643 its reverse (34612014), we get a palindrome (75633657).

The spelling of 41021643 in words is "forty-one million, twenty-one thousand, six hundred forty-three".