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4231261 is a prime number
BaseRepresentation
bin10000001001000001011101
321221222012101
4100021001131
52040400021
6230405101
750652016
oct20110135
97858171
104231261
112430011
121500791
13b51c08
147c200d
15588a91
hex40905d

4231261 has 2 divisors, whose sum is σ = 4231262. Its totient is φ = 4231260.

The previous prime is 4231247. The next prime is 4231267. The reversal of 4231261 is 1621324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2805625 + 1425636 = 1675^2 + 1194^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231261 - 25 = 4231229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4231267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115630 + 2115631.

It is an arithmetic number, because the mean of its divisors is an integer number (2115631).

Almost surely, 24231261 is an apocalyptic number.

It is an amenable number.

4231261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231261 is an equidigital number, since it uses as much as digits as its factorization.

4231261 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 4231261 is about 2057.0029168672. The cubic root of 4231261 is about 161.7421723090.

Adding to 4231261 its reverse (1621324), we get a palindrome (5852585).

The spelling of 4231261 in words is "four million, two hundred thirty-one thousand, two hundred sixty-one".