65290733 has 2 divisors, whose sum is σ = 65290734. Its totient is φ = 65290732.

The previous prime is 65290723. The next prime is 65290747. The reversal of 65290733 is 33709256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60264169 + 5026564 = 7763^2 + 2242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65290733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65290693 and 65290702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65290703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32645366 + 32645367.

It is an arithmetic number, because the mean of its divisors is an integer number (32645367).

Almost surely, 2^65290733 is an apocalyptic number.

It is an amenable number.

65290733 is a deficient number, since it is larger than the sum of its proper divisors (1).

65290733 is an equidigital number, since it uses as much as digits as its factorization.

65290733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 65290733 is about 8080.2681267394. The cubic root of 65290733 is about 402.6711497748.

Adding to 65290733 its reverse (33709256), we get a palindrome (98999989).

The spelling of 65290733 in words is "sixty-five million, two hundred ninety thousand, seven hundred thirty-three".