41628289 has 2 divisors, whose sum is σ = 41628290. Its totient is φ = 41628288.

The previous prime is 41628287. The next prime is 41628317. The reversal of 41628289 is 98282614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29322225 + 12306064 = 5415^2 + 3508^2 .

It is a cyclic number.

It is not a de Polignac number, because 41628289 - 2¹ = 41628287 is a prime.

Together with 41628287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (41628281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20814144 + 20814145.

It is an arithmetic number, because the mean of its divisors is an integer number (20814145).

Almost surely, 2^41628289 is an apocalyptic number.

It is an amenable number.

41628289 is a deficient number, since it is larger than the sum of its proper divisors (1).

41628289 is an equidigital number, since it uses as much as digits as its factorization.

41628289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 40.

The square root of 41628289 is about 6451.9988375696. The cubic root of 41628289 is about 346.5741661283.

It can be divided in two parts, 4 and 1628289, that multiplied together give a palindrome (6513156).

The spelling of 41628289 in words is "forty-one million, six hundred twenty-eight thousand, two hundred eighty-nine".