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141635561 is a prime number
BaseRepresentation
bin10000111000100…
…10111111101001
3100212111211110112
420130102333221
5242224314221
622015424105
73336611444
oct1034227751
9325454415
10141635561
1172a49991
123b525035
1323460932
1414b4c65b
15c67b15b
hex8712fe9

141635561 has 2 divisors, whose sum is σ = 141635562. Its totient is φ = 141635560.

The previous prime is 141635537. The next prime is 141635563. The reversal of 141635561 is 165536141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109599961 + 32035600 = 10469^2 + 5660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-141635561 is a prime.

It is a Sophie Germain prime.

Together with 141635563, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a zygodrome in base 7.

It is not a weakly prime, because it can be changed into another prime (141635563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70817780 + 70817781.

It is an arithmetic number, because the mean of its divisors is an integer number (70817781).

Almost surely, 2141635561 is an apocalyptic number.

It is an amenable number.

141635561 is a deficient number, since it is larger than the sum of its proper divisors (1).

141635561 is an equidigital number, since it uses as much as digits as its factorization.

141635561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 32.

The square root of 141635561 is about 11901.0739431364. The cubic root of 141635561 is about 521.2636439600.

The spelling of 141635561 in words is "one hundred forty-one million, six hundred thirty-five thousand, five hundred sixty-one".