64320041 has 2 divisors, whose sum is σ = 64320042. Its totient is φ = 64320040.

The previous prime is 64320037. The next prime is 64320077. The reversal of 64320041 is 14002346.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63361600 + 958441 = 7960^2 + 979^2 .

It is a cyclic number.

It is not a de Polignac number, because 64320041 - 2² = 64320037 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 64319995 and 64320022.

It is not a weakly prime, because it can be changed into another prime (64320001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32160020 + 32160021.

It is an arithmetic number, because the mean of its divisors is an integer number (32160021).

Almost surely, 2^64320041 is an apocalyptic number.

It is an amenable number.

64320041 is a deficient number, since it is larger than the sum of its proper divisors (1).

64320041 is an equidigital number, since it uses as much as digits as its factorization.

64320041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 64320041 is about 8019.9776184226. The cubic root of 64320041 is about 400.6656437648.

Adding to 64320041 its reverse (14002346), we get a palindrome (78322387).

The spelling of 64320041 in words is "sixty-four million, three hundred twenty thousand, forty-one".