65763653 has 2 divisors, whose sum is σ = 65763654. Its totient is φ = 65763652.

The previous prime is 65763637. The next prime is 65763697. The reversal of 65763653 is 35636756.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53246209 + 12517444 = 7297^2 + 3538^2 .

It is a cyclic number.

It is not a de Polignac number, because 65763653 - 2⁴ = 65763637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65763653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65763053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32881826 + 32881827.

It is an arithmetic number, because the mean of its divisors is an integer number (32881827).

Almost surely, 2^65763653 is an apocalyptic number.

It is an amenable number.

65763653 is a deficient number, since it is larger than the sum of its proper divisors (1).

65763653 is an equidigital number, since it uses as much as digits as its factorization.

65763653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 41.

The square root of 65763653 is about 8109.4792064596. The cubic root of 65763653 is about 403.6410337055.

The spelling of 65763653 in words is "sixty-five million, seven hundred sixty-three thousand, six hundred fifty-three".