64327841 has 2 divisors, whose sum is σ = 64327842. Its totient is φ = 64327840.

The previous prime is 64327799. The next prime is 64327873. The reversal of 64327841 is 14872346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64240225 + 87616 = 8015^2 + 296^2 .

It is a cyclic number.

It is not a de Polignac number, because 64327841 - 2¹⁰ = 64326817 is a prime.

It is a super-2 number, since 2×64327841² = 8276142255442562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64326841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32163920 + 32163921.

It is an arithmetic number, because the mean of its divisors is an integer number (32163921).

Almost surely, 2^64327841 is an apocalyptic number.

It is an amenable number.

64327841 is a deficient number, since it is larger than the sum of its proper divisors (1).

64327841 is an equidigital number, since it uses as much as digits as its factorization.

64327841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

The square root of 64327841 is about 8020.4638893271. The cubic root of 64327841 is about 400.6818391613.

The spelling of 64327841 in words is "sixty-four million, three hundred twenty-seven thousand, eight hundred forty-one".