65323081 has 4 divisors (see below), whose sum is σ = 65684164. Its totient is φ = 64962000.

The previous prime is 65323079. The next prime is 65323103. The reversal of 65323081 is 18032356.

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 17505856 + 47817225 = 4184^2 + 6915^2 .

It is a cyclic number.

It is not a de Polignac number, because 65323081 - 2¹ = 65323079 is a prime.

It is a super-2 number, since 2×65323081² = 8534209822665122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65323031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180270 + ... + 180631.

It is an arithmetic number, because the mean of its divisors is an integer number (16421041).

Almost surely, 2^65323081 is an apocalyptic number.

It is an amenable number.

65323081 is a deficient number, since it is larger than the sum of its proper divisors (361083).

65323081 is a wasteful number, since it uses less digits than its factorization.

65323081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361082.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 65323081 is about 8082.2695451216. The cubic root of 65323081 is about 402.7376393320.

The spelling of 65323081 in words is "sixty-five million, three hundred twenty-three thousand, eighty-one".