65297233 has 2 divisors, whose sum is σ = 65297234. Its totient is φ = 65297232.

The previous prime is 65297203. The next prime is 65297237. The reversal of 65297233 is 33279256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65173329 + 123904 = 8073^2 + 352^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65297233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65297192 and 65297201.

It is not a weakly prime, because it can be changed into another prime (65297237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32648616 + 32648617.

It is an arithmetic number, because the mean of its divisors is an integer number (32648617).

Almost surely, 2^65297233 is an apocalyptic number.

It is an amenable number.

65297233 is a deficient number, since it is larger than the sum of its proper divisors (1).

65297233 is an equidigital number, since it uses as much as digits as its factorization.

65297233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 37.

The square root of 65297233 is about 8080.6703311050. The cubic root of 65297233 is about 402.6845119346.

The spelling of 65297233 in words is "sixty-five million, two hundred ninety-seven thousand, two hundred thirty-three".