64105343 has 2 divisors, whose sum is σ = 64105344. Its totient is φ = 64105342.

The previous prime is 64105339. The next prime is 64105357. The reversal of 64105343 is 34350146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64105343 - 2² = 64105339 is a prime.

It is a super-2 number, since 2×64105343² = 8218990002295298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64105333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32052671 + 32052672.

It is an arithmetic number, because the mean of its divisors is an integer number (32052672).

Almost surely, 2^64105343 is an apocalyptic number.

64105343 is a deficient number, since it is larger than the sum of its proper divisors (1).

64105343 is an equidigital number, since it uses as much as digits as its factorization.

64105343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 64105343 is about 8006.5812304628. The cubic root of 64105343 is about 400.2193442816.

Adding to 64105343 its reverse (34350146), we get a palindrome (98455489).

The spelling of 64105343 in words is "sixty-four million, one hundred five thousand, three hundred forty-three".