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30561341 is a prime number
BaseRepresentation
bin111010010010…
…1010000111101
32010111200021112
41310211100331
530310430331
63011011405
7520524056
oct164452075
963450245
1030561341
1116284208
12a299b65
136440645
1440b772d
152a3a32b
hex1d2543d

30561341 has 2 divisors, whose sum is σ = 30561342. Its totient is φ = 30561340.

The previous prime is 30561301. The next prime is 30561353. The reversal of 30561341 is 14316503.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27825625 + 2735716 = 5275^2 + 1654^2 .

It is a cyclic number.

It is not a de Polignac number, because 30561341 - 218 = 30299197 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30561301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15280670 + 15280671.

It is an arithmetic number, because the mean of its divisors is an integer number (15280671).

Almost surely, 230561341 is an apocalyptic number.

It is an amenable number.

30561341 is a deficient number, since it is larger than the sum of its proper divisors (1).

30561341 is an equidigital number, since it uses as much as digits as its factorization.

30561341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 30561341 is about 5528.2312722968. The cubic root of 30561341 is about 312.6493059334.

Adding to 30561341 its reverse (14316503), we get a palindrome (44877844).

The spelling of 30561341 in words is "thirty million, five hundred sixty-one thousand, three hundred forty-one".