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1324261 is a prime number
BaseRepresentation
bin101000011010011100101
32111021112201
411003103211
5314334021
644214501
714153551
oct5032345
92437481
101324261
11824a34
1253a431
133749b3
14266861
151b2591
hex1434e5

1324261 has 2 divisors, whose sum is σ = 1324262. Its totient is φ = 1324260.

The previous prime is 1324223. The next prime is 1324313. The reversal of 1324261 is 1624231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1188100 + 136161 = 1090^2 + 369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1324261 is a prime.

It is a super-2 number, since 2×13242612 = 3507334392242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1324201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662130 + 662131.

It is an arithmetic number, because the mean of its divisors is an integer number (662131).

21324261 is an apocalyptic number.

It is an amenable number.

1324261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324261 is an equidigital number, since it uses as much as digits as its factorization.

1324261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 1324261 is about 1150.7653974638. The cubic root of 1324261 is about 109.8140384150.

Adding to 1324261 its reverse (1624231), we get a palindrome (2948492).

The spelling of 1324261 in words is "one million, three hundred twenty-four thousand, two hundred sixty-one".