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8550461 is a prime number
BaseRepresentation
bin100000100111…
…100000111101
3121002102000202
4200213200331
54142103321
6503133245
7132451313
oct40474075
917072022
108550461
1149100a7
122a44225
131a04b5a
1411c80b3
15b3d70b
hex82783d

8550461 has 2 divisors, whose sum is σ = 8550462. Its totient is φ = 8550460.

The previous prime is 8550449. The next prime is 8550469. The reversal of 8550461 is 1640558.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8444836 + 105625 = 2906^2 + 325^2 .

It is a cyclic number.

It is not a de Polignac number, because 8550461 - 26 = 8550397 is a prime.

It is a super-2 number, since 2×85504612 = 146220766625042, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8550469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4275230 + 4275231.

It is an arithmetic number, because the mean of its divisors is an integer number (4275231).

Almost surely, 28550461 is an apocalyptic number.

It is an amenable number.

8550461 is a deficient number, since it is larger than the sum of its proper divisors (1).

8550461 is an equidigital number, since it uses as much as digits as its factorization.

8550461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 8550461 is about 2924.1171317169. The cubic root of 8550461 is about 204.4858103150.

Subtracting from 8550461 its reverse (1640558), we obtain a triangular number (6909903 = T3717).

The spelling of 8550461 in words is "eight million, five hundred fifty thousand, four hundred sixty-one".