65320933 has 4 divisors (see below), whose sum is σ = 65337228. Its totient is φ = 65304640.

The previous prime is 65320907. The next prime is 65320951. The reversal of 65320933 is 33902356.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1592644 + 63728289 = 1262^2 + 7983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65320933 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65320895 and 65320904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65320903) 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, 2535 + ... + 11707.

It is an arithmetic number, because the mean of its divisors is an integer number (16334307).

Almost surely, 2^65320933 is an apocalyptic number.

It is an amenable number.

65320933 is a deficient number, since it is larger than the sum of its proper divisors (16295).

65320933 is an equidigital number, since it uses as much as digits as its factorization.

65320933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16294.

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 65320933 is about 8082.1366605620. The cubic root of 65320933 is about 402.7332249151.

The spelling of 65320933 in words is "sixty-five million, three hundred twenty thousand, nine hundred thirty-three".