65351273 has 4 divisors (see below), whose sum is σ = 70378308. Its totient is φ = 60324240.

The previous prime is 65351261. The next prime is 65351339. The reversal of 65351273 is 37215356.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10413529 + 54937744 = 3227^2 + 7412^2 .

It is a cyclic number.

It is not a de Polignac number, because 65351273 - 2¹⁰ = 65350249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65351233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513498 + ... + 2513523.

It is an arithmetic number, because the mean of its divisors is an integer number (17594577).

Almost surely, 2^65351273 is an apocalyptic number.

It is an amenable number.

65351273 is a deficient number, since it is larger than the sum of its proper divisors (5027035).

65351273 is a wasteful number, since it uses less digits than its factorization.

65351273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027034.

The product of its digits is 18900, while the sum is 32.

The square root of 65351273 is about 8084.0134215623. The cubic root of 65351273 is about 402.7955685579.

The spelling of 65351273 in words is "sixty-five million, three hundred fifty-one thousand, two hundred seventy-three".