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23060561 is a prime number
BaseRepresentation
bin101011111111…
…0000001010001
31121101121010212
41113332001101
521400414221
62142133505
7400003646
oct127760121
947347125
1023060561
1112020817
127881295
134a15504
1430c3dcd
152057b5b
hex15fe051

23060561 has 2 divisors, whose sum is σ = 23060562. Its totient is φ = 23060560.

The previous prime is 23060549. The next prime is 23060591. The reversal of 23060561 is 16506032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22505536 + 555025 = 4744^2 + 745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23060561 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23060591) 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, 11530280 + 11530281.

It is an arithmetic number, because the mean of its divisors is an integer number (11530281).

Almost surely, 223060561 is an apocalyptic number.

It is an amenable number.

23060561 is a deficient number, since it is larger than the sum of its proper divisors (1).

23060561 is an equidigital number, since it uses as much as digits as its factorization.

23060561 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 23060561 is about 4802.1412932149. The cubic root of 23060561 is about 284.6360841962.

Adding to 23060561 its reverse (16506032), we get a palindrome (39566593).

The spelling of 23060561 in words is "twenty-three million, sixty thousand, five hundred sixty-one".