41728513 has 2 divisors, whose sum is σ = 41728514. Its totient is φ = 41728512.

The previous prime is 41728507. The next prime is 41728549. The reversal of 41728513 is 31582714.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37368769 + 4359744 = 6113^2 + 2088^2 .

It is a cyclic number.

It is not a de Polignac number, because 41728513 - 2⁵ = 41728481 is a prime.

It is not a weakly prime, because it can be changed into another prime (41728553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20864256 + 20864257.

It is an arithmetic number, because the mean of its divisors is an integer number (20864257).

Almost surely, 2^41728513 is an apocalyptic number.

It is an amenable number.

41728513 is a deficient number, since it is larger than the sum of its proper divisors (1).

41728513 is an equidigital number, since it uses as much as digits as its factorization.

41728513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 41728513 is about 6459.7610636927. The cubic root of 41728513 is about 346.8520797885.

The spelling of 41728513 in words is "forty-one million, seven hundred twenty-eight thousand, five hundred thirteen".