65040733 has 2 divisors, whose sum is σ = 65040734. Its totient is φ = 65040732.

The previous prime is 65040727. The next prime is 65040751. The reversal of 65040733 is 33704056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45522009 + 19518724 = 6747^2 + 4418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65040733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65041733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32520366 + 32520367.

It is an arithmetic number, because the mean of its divisors is an integer number (32520367).

Almost surely, 2^65040733 is an apocalyptic number.

It is an amenable number.

65040733 is a deficient number, since it is larger than the sum of its proper divisors (1).

65040733 is an equidigital number, since it uses as much as digits as its factorization.

65040733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 65040733 is about 8064.7835060837. The cubic root of 65040733 is about 402.1565461274.

Adding to 65040733 its reverse (33704056), we get a palindrome (98744789).

The spelling of 65040733 in words is "sixty-five million, forty thousand, seven hundred thirty-three".