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2255249 is a prime number
BaseRepresentation
bin1000100110100110010001
311020120121202
420212212101
51034131444
6120200545
725112033
oct10464621
94216552
102255249
111300447
12909155
1360c689
14429c53
152e834e
hex226991

2255249 has 2 divisors, whose sum is σ = 2255250. Its totient is φ = 2255248.

The previous prime is 2255233. The next prime is 2255251. The reversal of 2255249 is 9425522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1809025 + 446224 = 1345^2 + 668^2 .

It is a cyclic number.

It is not a de Polignac number, because 2255249 - 24 = 2255233 is a prime.

It is a super-2 number, since 2×22552492 = 10172296104002, which contains 22 as substring.

Together with 2255251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2255269) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127624 + 1127625.

It is an arithmetic number, because the mean of its divisors is an integer number (1127625).

22255249 is an apocalyptic number.

It is an amenable number.

2255249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255249 is an equidigital number, since it uses as much as digits as its factorization.

2255249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 29.

The square root of 2255249 is about 1501.7486474107. The cubic root of 2255249 is about 131.1388888818.

The spelling of 2255249 in words is "two million, two hundred fifty-five thousand, two hundred forty-nine".