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2655251 is a prime number
BaseRepresentation
bin1010001000010000010011
311222220022122
422020100103
51134432001
6132524455
731366154
oct12102023
94886278
102655251
111553a25
12a8072b
1371c771
144d192b
15376b1b
hex288413

2655251 has 2 divisors, whose sum is σ = 2655252. Its totient is φ = 2655250.

The previous prime is 2655241. The next prime is 2655259. The reversal of 2655251 is 1525562.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2655251 is a prime.

It is a Chen prime.

It is equal to p193616 and since 2655251 and 193616 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2655251.

It is not a weakly prime, because it can be changed into another prime (2655259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327625 + 1327626.

It is an arithmetic number, because the mean of its divisors is an integer number (1327626).

22655251 is an apocalyptic number.

2655251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655251 is an equidigital number, since it uses as much as digits as its factorization.

2655251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3000, while the sum is 26.

The square root of 2655251 is about 1629.4940932694. The cubic root of 2655251 is about 138.4740923011.

The spelling of 2655251 in words is "two million, six hundred fifty-five thousand, two hundred fifty-one".