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1258241 is a prime number
BaseRepresentation
bin100110011001100000001
32100220222112
410303030001
5310230431
642545105
713460225
oct4631401
92326875
101258241
1178a376
12508195
1335092a
1424a785
1519cc2b
hex133301

1258241 has 2 divisors, whose sum is σ = 1258242. Its totient is φ = 1258240.

The previous prime is 1258219. The next prime is 1258267. The reversal of 1258241 is 1428521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1256641 + 1600 = 1121^2 + 40^2 .

It is an emirp because it is prime and its reverse (1428521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1258241 - 26 = 1258177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1258211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629120 + 629121.

It is an arithmetic number, because the mean of its divisors is an integer number (629121).

21258241 is an apocalyptic number.

It is an amenable number.

1258241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1258241 is an equidigital number, since it uses as much as digits as its factorization.

1258241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 640, while the sum is 23.

The square root of 1258241 is about 1121.7134215119. The cubic root of 1258241 is about 107.9579454462.

The spelling of 1258241 in words is "one million, two hundred fifty-eight thousand, two hundred forty-one".