65726273 has 2 divisors, whose sum is σ = 65726274. Its totient is φ = 65726272.

The previous prime is 65726251. The next prime is 65726279. The reversal of 65726273 is 37262756.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62457409 + 3268864 = 7903^2 + 1808^2 .

It is a cyclic number.

It is not a de Polignac number, because 65726273 - 2¹⁰ = 65725249 is a prime.

It is not a weakly prime, because it can be changed into another prime (65726279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32863136 + 32863137.

It is an arithmetic number, because the mean of its divisors is an integer number (32863137).

Almost surely, 2^65726273 is an apocalyptic number.

It is an amenable number.

65726273 is a deficient number, since it is larger than the sum of its proper divisors (1).

65726273 is an equidigital number, since it uses as much as digits as its factorization.

65726273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 38.

The square root of 65726273 is about 8107.1741685991. The cubic root of 65726273 is about 403.5645428135.

The spelling of 65726273 in words is "sixty-five million, seven hundred twenty-six thousand, two hundred seventy-three".