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2825261 is a prime number
BaseRepresentation
bin1010110001110000101101
312022112112022
422301300231
51210402021
6140315525
733004625
oct12616055
95275468
102825261
11165a72a
12b42ba5
1377bc6a
14537885
153ac1ab
hex2b1c2d

2825261 has 2 divisors, whose sum is σ = 2825262. Its totient is φ = 2825260.

The previous prime is 2825239. The next prime is 2825287. The reversal of 2825261 is 1625282.

2825261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2825287) can be obtained adding 2825261 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2175625 + 649636 = 1475^2 + 806^2 .

It is a cyclic number.

It is not a de Polignac number, because 2825261 - 214 = 2808877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2825261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2825461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1412630 + 1412631.

It is an arithmetic number, because the mean of its divisors is an integer number (1412631).

22825261 is an apocalyptic number.

It is an amenable number.

2825261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2825261 is an equidigital number, since it uses as much as digits as its factorization.

2825261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 26.

The square root of 2825261 is about 1680.8512724212. The cubic root of 2825261 is about 141.3685677896.

The spelling of 2825261 in words is "two million, eight hundred twenty-five thousand, two hundred sixty-one".