64830841 has 2 divisors, whose sum is σ = 64830842. Its totient is φ = 64830840.

The previous prime is 64830811. The next prime is 64830847. The reversal of 64830841 is 14803846.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63664441 + 1166400 = 7979^2 + 1080^2 .

It is a cyclic number.

It is not a de Polignac number, because 64830841 - 2¹¹ = 64828793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64830797 and 64830806.

It is not a weakly prime, because it can be changed into another prime (64830847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32415420 + 32415421.

It is an arithmetic number, because the mean of its divisors is an integer number (32415421).

Almost surely, 2^64830841 is an apocalyptic number.

It is an amenable number.

64830841 is a deficient number, since it is larger than the sum of its proper divisors (1).

64830841 is an equidigital number, since it uses as much as digits as its factorization.

64830841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 64830841 is about 8051.7601181357. The cubic root of 64830841 is about 401.7234821081.

The spelling of 64830841 in words is "sixty-four million, eight hundred thirty thousand, eight hundred forty-one".