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8522251 is a prime number
BaseRepresentation
bin100000100000…
…101000001011
3121000222022221
4200200220023
54140203001
6502354511
7132303133
oct40405013
917028287
108522251
1148a0991
122a2ba37
1319c506a
1411bbac3
15b351a1
hex820a0b

8522251 has 2 divisors, whose sum is σ = 8522252. Its totient is φ = 8522250.

The previous prime is 8522237. The next prime is 8522281. The reversal of 8522251 is 1522258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8522251 - 29 = 8521739 is a prime.

It is a d-powerful number, because it can be written as 83 + 5 + 211 + 217 + 223 + 5 + 1 .

It is not a weakly prime, because it can be changed into another prime (8522221) 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, 4261125 + 4261126.

It is an arithmetic number, because the mean of its divisors is an integer number (4261126).

Almost surely, 28522251 is an apocalyptic number.

8522251 is a deficient number, since it is larger than the sum of its proper divisors (1).

8522251 is an equidigital number, since it uses as much as digits as its factorization.

8522251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1600, while the sum is 25.

The square root of 8522251 is about 2919.2894683467. The cubic root of 8522251 is about 204.2606801419.

The spelling of 8522251 in words is "eight million, five hundred twenty-two thousand, two hundred fifty-one".