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2270251 is a prime number
BaseRepresentation
bin1000101010010000101011
311021100012101
420222100223
51040122001
6120354231
725203544
oct10522053
94240171
102270251
111310745
12915977
13616459
144314cb
152eca01
hex22a42b

2270251 has 2 divisors, whose sum is σ = 2270252. Its totient is φ = 2270250.

The previous prime is 2270249. The next prime is 2270263. The reversal of 2270251 is 1520722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2270251 - 21 = 2270249 is a prime.

Together with 2270249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2270201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135125 + 1135126.

It is an arithmetic number, because the mean of its divisors is an integer number (1135126).

22270251 is an apocalyptic number.

2270251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2270251 is an equidigital number, since it uses as much as digits as its factorization.

2270251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2270251 is about 1506.7352123051. The cubic root of 2270251 is about 131.4290267448.

Adding to 2270251 its reverse (1520722), we get a palindrome (3790973).

The spelling of 2270251 in words is "two million, two hundred seventy thousand, two hundred fifty-one".