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2565151 is a prime number
BaseRepresentation
bin1001110010010000011111
311211022201121
421302100133
51124041101
6130551411
730542401
oct11622037
94738647
102565151
1114a2266
12a38567
136ba754
144aab71
1535a0a1
hex27241f

2565151 has 2 divisors, whose sum is σ = 2565152. Its totient is φ = 2565150.

The previous prime is 2565149. The next prime is 2565161. The reversal of 2565151 is 1515652.

2565151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2565151 - 21 = 2565149 is a prime.

Together with 2565149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2565161) 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, 1282575 + 1282576.

It is an arithmetic number, because the mean of its divisors is an integer number (1282576).

22565151 is an apocalyptic number.

2565151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2565151 is an equidigital number, since it uses as much as digits as its factorization.

2565151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1500, while the sum is 25.

The square root of 2565151 is about 1601.6088785968. The cubic root of 2565151 is about 136.8897651621.

The spelling of 2565151 in words is "two million, five hundred sixty-five thousand, one hundred fifty-one".