65273203 has 2 divisors, whose sum is σ = 65273204. Its totient is φ = 65273202.

The previous prime is 65273191. The next prime is 65273237. The reversal of 65273203 is 30237256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65273203 - 2¹⁷ = 65142131 is a prime.

It is not a weakly prime, because it can be changed into another prime (65273903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32636601 + 32636602.

It is an arithmetic number, because the mean of its divisors is an integer number (32636602).

Almost surely, 2^65273203 is an apocalyptic number.

65273203 is a deficient number, since it is larger than the sum of its proper divisors (1).

65273203 is an equidigital number, since it uses as much as digits as its factorization.

65273203 is an odious number, because the sum of its binary digits is odd.

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

The square root of 65273203 is about 8079.1833126870. The cubic root of 65273203 is about 402.6351086361.

It can be divided in two parts, 6527 and 3203, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 65273203 in words is "sixty-five million, two hundred seventy-three thousand, two hundred three".