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269282561 is a prime number
BaseRepresentation
bin10000000011001…
…110110100000001
3200202200222020012
4100003032310001
51022414020221
642415354305
76446602232
oct2003166401
9622628205
10269282561
11129003a79
1276222995
1343a343c2
1427a99089
151899265b
hex100ced01

269282561 has 2 divisors, whose sum is σ = 269282562. Its totient is φ = 269282560.

The previous prime is 269282543. The next prime is 269282579. The reversal of 269282561 is 165282962.

It is a balanced prime because it is at equal distance from previous prime (269282543) and next prime (269282579).

It can be written as a sum of positive squares in only one way, i.e., 263250625 + 6031936 = 16225^2 + 2456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-269282561 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 (269282521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134641280 + 134641281.

It is an arithmetic number, because the mean of its divisors is an integer number (134641281).

Almost surely, 2269282561 is an apocalyptic number.

It is an amenable number.

269282561 is a deficient number, since it is larger than the sum of its proper divisors (1).

269282561 is an equidigital number, since it uses as much as digits as its factorization.

269282561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 269282561 is about 16409.8312300889. The cubic root of 269282561 is about 645.7574268092.

The spelling of 269282561 in words is "two hundred sixty-nine million, two hundred eighty-two thousand, five hundred sixty-one".