64910273 has 2 divisors, whose sum is σ = 64910274. Its totient is φ = 64910272.

The previous prime is 64910227. The next prime is 64910297. The reversal of 64910273 is 37201946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37368769 + 27541504 = 6113^2 + 5248^2 .

It is a cyclic number.

It is not a de Polignac number, because 64910273 - 2¹⁶ = 64844737 is a prime.

It is not a weakly prime, because it can be changed into another prime (64910473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32455136 + 32455137.

It is an arithmetic number, because the mean of its divisors is an integer number (32455137).

Almost surely, 2^64910273 is an apocalyptic number.

It is an amenable number.

64910273 is a deficient number, since it is larger than the sum of its proper divisors (1).

64910273 is an equidigital number, since it uses as much as digits as its factorization.

64910273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 64910273 is about 8056.6911942807. The cubic root of 64910273 is about 401.8874816073.

The spelling of 64910273 in words is "sixty-four million, nine hundred ten thousand, two hundred seventy-three".