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2561159 is a prime number
BaseRepresentation
bin1001110001010010000111
311211010020202
421301102013
51123424114
6130521115
730524636
oct11612207
94733222
102561159
11149a267
12a3619b
136b89a3
144a951d
15358cde
hex271487

2561159 has 2 divisors, whose sum is σ = 2561160. Its totient is φ = 2561158.

The previous prime is 2561137. The next prime is 2561179. The reversal of 2561159 is 9511652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2561159 - 212 = 2557063 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2561129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280579 + 1280580.

It is an arithmetic number, because the mean of its divisors is an integer number (1280580).

22561159 is an apocalyptic number.

2561159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2561159 is an equidigital number, since it uses as much as digits as its factorization.

2561159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 29.

The square root of 2561159 is about 1600.3621465156. The cubic root of 2561159 is about 136.8187170165.

The spelling of 2561159 in words is "two million, five hundred sixty-one thousand, one hundred fifty-nine".