65642053 has 2 divisors, whose sum is σ = 65642054. Its totient is φ = 65642052.

The previous prime is 65642041. The next prime is 65642077. The reversal of 65642053 is 35024656.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34304449 + 31337604 = 5857^2 + 5598^2 .

It is a cyclic number.

It is not a de Polignac number, because 65642053 - 2¹⁷ = 65510981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65642153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32821026 + 32821027.

It is an arithmetic number, because the mean of its divisors is an integer number (32821027).

Almost surely, 2^65642053 is an apocalyptic number.

It is an amenable number.

65642053 is a deficient number, since it is larger than the sum of its proper divisors (1).

65642053 is an equidigital number, since it uses as much as digits as its factorization.

65642053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 65642053 is about 8101.9783386529. The cubic root of 65642053 is about 403.3920966374.

The spelling of 65642053 in words is "sixty-five million, six hundred forty-two thousand, fifty-three".