65338243 has 2 divisors, whose sum is σ = 65338244. Its totient is φ = 65338242.

The previous prime is 65338211. The next prime is 65338261. The reversal of 65338243 is 34283356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65338243 - 2⁵ = 65338211 is a prime.

It is a super-4 number, since 4×65338243⁴ (a number of 32 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65338199 and 65338208.

It is not a weakly prime, because it can be changed into another prime (65338643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32669121 + 32669122.

It is an arithmetic number, because the mean of its divisors is an integer number (32669122).

Almost surely, 2^65338243 is an apocalyptic number.

65338243 is a deficient number, since it is larger than the sum of its proper divisors (1).

65338243 is an equidigital number, since it uses as much as digits as its factorization.

65338243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 34.

The square root of 65338243 is about 8083.2074698105. The cubic root of 65338243 is about 402.7687964443.

The spelling of 65338243 in words is "sixty-five million, three hundred thirty-eight thousand, two hundred forty-three".