64385941 has 2 divisors, whose sum is σ = 64385942. Its totient is φ = 64385940.

The previous prime is 64385917. The next prime is 64385969. The reversal of 64385941 is 14958346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36602500 + 27783441 = 6050^2 + 5271^2 .

It is a cyclic number.

It is not a de Polignac number, because 64385941 - 2⁹ = 64385429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64385894 and 64385903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64385641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32192970 + 32192971.

It is an arithmetic number, because the mean of its divisors is an integer number (32192971).

Almost surely, 2^64385941 is an apocalyptic number.

It is an amenable number.

64385941 is a deficient number, since it is larger than the sum of its proper divisors (1).

64385941 is an equidigital number, since it uses as much as digits as its factorization.

64385941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 64385941 is about 8024.0850568772. The cubic root of 64385941 is about 400.8024329271.

The spelling of 64385941 in words is "sixty-four million, three hundred eighty-five thousand, nine hundred forty-one".