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8252249 is a prime number
BaseRepresentation
bin11111011110101101011001
3120112020221212
4133132231121
54103032444
6452512505
7130100015
oct37365531
916466855
108252249
114727045
12291b735
13192c1b5
14114b545
15ad019e
hex7deb59

8252249 has 2 divisors, whose sum is σ = 8252250. Its totient is φ = 8252248.

The previous prime is 8252227. The next prime is 8252297. The reversal of 8252249 is 9422528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7252249 + 1000000 = 2693^2 + 1000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8252249 is a prime.

It is a super-2 number, since 2×82522492 = 136199227116002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8252219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4126124 + 4126125.

It is an arithmetic number, because the mean of its divisors is an integer number (4126125).

Almost surely, 28252249 is an apocalyptic number.

It is an amenable number.

8252249 is a deficient number, since it is larger than the sum of its proper divisors (1).

8252249 is an equidigital number, since it uses as much as digits as its factorization.

8252249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 8252249 is about 2872.6727972395. The cubic root of 8252249 is about 202.0803604716.

The spelling of 8252249 in words is "eight million, two hundred fifty-two thousand, two hundred forty-nine".