Search a number
-
+
65324213 is a prime number
BaseRepresentation
bin1111100100110…
…0010010110101
311112220210222022
43321030102311
5113210333323
610252042525
71422150413
oct371142265
9145823868
1065324213
1133968059
1219a63445
13106c24a6
1489662b3
155b054c8
hex3e4c4b5

65324213 has 2 divisors, whose sum is σ = 65324214. Its totient is φ = 65324212.

The previous prime is 65324201. The next prime is 65324239. The reversal of 65324213 is 31242356.

It is an a-pointer prime, because the next prime (65324239) can be obtained adding 65324213 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44182609 + 21141604 = 6647^2 + 4598^2 .

It is a cyclic number.

It is not a de Polignac number, because 65324213 - 212 = 65320117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65324293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32662106 + 32662107.

It is an arithmetic number, because the mean of its divisors is an integer number (32662107).

Almost surely, 265324213 is an apocalyptic number.

It is an amenable number.

65324213 is a deficient number, since it is larger than the sum of its proper divisors (1).

65324213 is an equidigital number, since it uses as much as digits as its factorization.

65324213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 65324213 is about 8082.3395746529. The cubic root of 65324213 is about 402.7399656990.

Adding to 65324213 its reverse (31242356), we get a palindrome (96566569).

The spelling of 65324213 in words is "sixty-five million, three hundred twenty-four thousand, two hundred thirteen".