Search a number
-
+
6572161 is a prime number
BaseRepresentation
bin11001000100100010000001
3110100220022101
4121010202001
53140302121
6352510401
7106601551
oct31044201
913326271
106572161
113789842
12224b401
13149156b
14c31161
1589c491
hex644881

6572161 has 2 divisors, whose sum is σ = 6572162. Its totient is φ = 6572160.

The previous prime is 6572147. The next prime is 6572191. The reversal of 6572161 is 1612756.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6031936 + 540225 = 2456^2 + 735^2 .

It is a cyclic number.

It is not a de Polignac number, because 6572161 - 25 = 6572129 is a prime.

It is equal to p449371 and since 6572161 and 449371 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6572131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3286080 + 3286081.

It is an arithmetic number, because the mean of its divisors is an integer number (3286081).

Almost surely, 26572161 is an apocalyptic number.

It is an amenable number.

6572161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6572161 is an equidigital number, since it uses as much as digits as its factorization.

6572161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 6572161 is about 2563.6226321360. The cubic root of 6572161 is about 187.3136376446.

The spelling of 6572161 in words is "six million, five hundred seventy-two thousand, one hundred sixty-one".