65189753 has 2 divisors, whose sum is σ = 65189754. Its totient is φ = 65189752.

The previous prime is 65189737. The next prime is 65189771. The reversal of 65189753 is 35798156.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52027369 + 13162384 = 7213^2 + 3628^2 .

It is a cyclic number.

It is not a de Polignac number, because 65189753 - 2⁴ = 65189737 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (65189783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32594876 + 32594877.

It is an arithmetic number, because the mean of its divisors is an integer number (32594877).

Almost surely, 2^65189753 is an apocalyptic number.

It is an amenable number.

65189753 is a deficient number, since it is larger than the sum of its proper divisors (1).

65189753 is an equidigital number, since it uses as much as digits as its factorization.

65189753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 65189753 is about 8074.0171538089. The cubic root of 65189753 is about 402.4634494799.

The spelling of 65189753 in words is "sixty-five million, one hundred eighty-nine thousand, seven hundred fifty-three".