Search a number
-
+
6494237 is a prime number
BaseRepresentation
bin11000110001100000011101
3110012221102022
4120301200131
53130303422
6351105525
7106125431
oct30614035
913187368
106494237
113736242
1222122a5
131464c59
14c109c1
15884342
hex63181d

6494237 has 2 divisors, whose sum is σ = 6494238. Its totient is φ = 6494236.

The previous prime is 6494209. The next prime is 6494239. The reversal of 6494237 is 7324946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5080516 + 1413721 = 2254^2 + 1189^2 .

It is a cyclic number.

It is not a de Polignac number, because 6494237 - 222 = 2299933 is a prime.

It is a super-2 number, since 2×64942372 = 84350228424338, which contains 22 as substring.

Together with 6494239, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 64 + 43 + 96 + 48 + 217 + 33 + 78 .

It is a junction number, because it is equal to n+sod(n) for n = 6494197 and 6494206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6494239) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247118 + 3247119.

It is an arithmetic number, because the mean of its divisors is an integer number (3247119).

Almost surely, 26494237 is an apocalyptic number.

It is an amenable number.

6494237 is a deficient number, since it is larger than the sum of its proper divisors (1).

6494237 is an equidigital number, since it uses as much as digits as its factorization.

6494237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 6494237 is about 2548.3792888815. The cubic root of 6494237 is about 186.5703865021.

The spelling of 6494237 in words is "six million, four hundred ninety-four thousand, two hundred thirty-seven".