65373943 has 2 divisors, whose sum is σ = 65373944. Its totient is φ = 65373942.

The previous prime is 65373941. The next prime is 65373961. The reversal of 65373943 is 34937356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65373943 - 2¹ = 65373941 is a prime.

Together with 65373941, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 65373896 and 65373905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65373941) 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, 32686971 + 32686972.

It is an arithmetic number, because the mean of its divisors is an integer number (32686972).

Almost surely, 2^65373943 is an apocalyptic number.

65373943 is a deficient number, since it is larger than the sum of its proper divisors (1).

65373943 is an equidigital number, since it uses as much as digits as its factorization.

65373943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 40.

The square root of 65373943 is about 8085.4154500557. The cubic root of 65373943 is about 402.8421390349.

The spelling of 65373943 in words is "sixty-five million, three hundred seventy-three thousand, nine hundred forty-three".