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65326213 is a prime number
BaseRepresentation
bin1111100100110…
…0110010000101
311112220220201101
43321030302011
5113210414323
610252100101
71422156301
oct371146205
9145826641
1065326213
1133969607
1219a64631
13106c3384
148966d01
155b05dad
hex3e4cc85

65326213 has 2 divisors, whose sum is σ = 65326214. Its totient is φ = 65326212.

The previous prime is 65326211. The next prime is 65326231. The reversal of 65326213 is 31262356.

65326213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (65326231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34656769 + 30669444 = 5887^2 + 5538^2 .

It is a cyclic number.

It is not a de Polignac number, because 65326213 - 21 = 65326211 is a prime.

Together with 65326211, it forms a pair of twin primes.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32663106 + 32663107.

It is an arithmetic number, because the mean of its divisors is an integer number (32663107).

Almost surely, 265326213 is an apocalyptic number.

It is an amenable number.

65326213 is a deficient number, since it is larger than the sum of its proper divisors (1).

65326213 is an equidigital number, since it uses as much as digits as its factorization.

65326213 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 65326213 is about 8082.4633002569. The cubic root of 65326213 is about 402.7440758223.

Adding to 65326213 its reverse (31262356), we get a palindrome (96588569).

The spelling of 65326213 in words is "sixty-five million, three hundred twenty-six thousand, two hundred thirteen".