65326331 has 16 divisors (see below), whose sum is σ = 78870528. Its totient is φ = 52920000.

The previous prime is 65326301. The next prime is 65326337. The reversal of 65326331 is 13362356.

It is a happy number.

It is not a de Polignac number, because 65326331 - 2¹⁴ = 65309947 is a prime.

It is a super-2 number, since 2×65326331² = 8535059043843122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65326294 and 65326303.

It is not an unprimeable number, because it can be changed into a prime (65326337) 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 15 ways as a sum of consecutive naturals, for example, 5831 + ... + 12831.

It is an arithmetic number, because the mean of its divisors is an integer number (4929408).

Almost surely, 2^65326331 is an apocalyptic number.

65326331 is a deficient number, since it is larger than the sum of its proper divisors (13544197).

65326331 is a wasteful number, since it uses less digits than its factorization.

65326331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7082.

The product of its digits is 9720, while the sum is 29.

The square root of 65326331 is about 8082.4706000084. The cubic root of 65326331 is about 402.7443183169.

Adding to 65326331 its reverse (13362356), we get a palindrome (78688687).

The spelling of 65326331 in words is "sixty-five million, three hundred twenty-six thousand, three hundred thirty-one".