65326231 has 2 divisors, whose sum is σ = 65326232. Its totient is φ = 65326230.

The previous prime is 65326213. The next prime is 65326259. The reversal of 65326231 is 13262356.

Together with previous prime (65326213) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (65326259) can be obtained adding 65326231 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65326231 - 2¹³ = 65318039 is a prime.

It is a super-2 number, since 2×65326231² = 8535032913330722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65326231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65326211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32663115 + 32663116.

It is an arithmetic number, because the mean of its divisors is an integer number (32663116).

Almost surely, 2^65326231 is an apocalyptic number.

65326231 is a deficient number, since it is larger than the sum of its proper divisors (1).

65326231 is an equidigital number, since it uses as much as digits as its factorization.

65326231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 28.

The square root of 65326231 is about 8082.4644137788. The cubic root of 65326231 is about 402.7441128130.

Adding to 65326231 its reverse (13262356), we get a palindrome (78588587).

The spelling of 65326231 in words is "sixty-five million, three hundred twenty-six thousand, two hundred thirty-one".