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1259231 is a prime number
BaseRepresentation
bin100110011011011011111
32100222100012
410303123133
5310243411
642553435
713463141
oct4633337
92328305
101259231
11790096
1250887b
1335120c
1424ac91
1519d18b
hex1336df

1259231 has 2 divisors, whose sum is σ = 1259232. Its totient is φ = 1259230.

The previous prime is 1259213. The next prime is 1259243. The reversal of 1259231 is 1329521.

Together with previous prime (1259213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1259231 - 210 = 1258207 is a prime.

It is a super-2 number, since 2×12592312 = 3171325422722, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1259197 and 1259206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1256231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629615 + 629616.

It is an arithmetic number, because the mean of its divisors is an integer number (629616).

21259231 is an apocalyptic number.

1259231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1259231 is an equidigital number, since it uses as much as digits as its factorization.

1259231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 23.

The square root of 1259231 is about 1122.1546239267. The cubic root of 1259231 is about 107.9862522510.

The spelling of 1259231 in words is "one million, two hundred fifty-nine thousand, two hundred thirty-one".