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11205461 is a prime number
BaseRepresentation
bin101010101111…
…101101010101
3210002022000002
4222233231111
510332033321
61040101045
7164146661
oct52575525
923068002
1011205461
116363913
123904785
132424467
1416b98a1
15eb520b
hexaafb55

11205461 has 2 divisors, whose sum is σ = 11205462. Its totient is φ = 11205460.

The previous prime is 11205451. The next prime is 11205463. The reversal of 11205461 is 16450211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6002500 + 5202961 = 2450^2 + 2281^2 .

It is an emirp because it is prime and its reverse (16450211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11205461 is a prime.

Together with 11205463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11205463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5602730 + 5602731.

It is an arithmetic number, because the mean of its divisors is an integer number (5602731).

Almost surely, 211205461 is an apocalyptic number.

It is an amenable number.

11205461 is a deficient number, since it is larger than the sum of its proper divisors (1).

11205461 is an equidigital number, since it uses as much as digits as its factorization.

11205461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 11205461 is about 3347.4558996348. The cubic root of 11205461 is about 223.7741465571.

Adding to 11205461 its reverse (16450211), we get a palindrome (27655672).

The spelling of 11205461 in words is "eleven million, two hundred five thousand, four hundred sixty-one".