65773133 has 4 divisors (see below), whose sum is σ = 65925468. Its totient is φ = 65620800.

The previous prime is 65773129. The next prime is 65773171. The reversal of 65773133 is 33137756.

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 4338889 + 61434244 = 2083^2 + 7838^2 .

It is a cyclic number.

It is not a de Polignac number, because 65773133 - 2² = 65773129 is a prime.

It is a super-2 number, since 2×65773133² = 8652210049271378, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65773093 and 65773102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65713133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75518 + ... + 76383.

It is an arithmetic number, because the mean of its divisors is an integer number (16481367).

Almost surely, 2^65773133 is an apocalyptic number.

It is an amenable number.

65773133 is a deficient number, since it is larger than the sum of its proper divisors (152335).

65773133 is a wasteful number, since it uses less digits than its factorization.

65773133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152334.

The product of its digits is 39690, while the sum is 35.

The square root of 65773133 is about 8110.0636865564. The cubic root of 65773133 is about 403.6604280719.

The spelling of 65773133 in words is "sixty-five million, seven hundred seventy-three thousand, one hundred thirty-three".