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125553223 is a prime number
BaseRepresentation
bin1110111101111…
…00101001000111
322202020202122101
413132330221013
5224120200343
620243012531
73053120245
oct736745107
9282222571
10125553223
1164964aa4
123606a147
132001c763
1412963795
15b050e4d
hex77bca47

125553223 has 2 divisors, whose sum is σ = 125553224. Its totient is φ = 125553222.

The previous prime is 125553191. The next prime is 125553257. The reversal of 125553223 is 322355521.

It is a weak prime.

It is an emirp because it is prime and its reverse (322355521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125553223 - 25 = 125553191 is a prime.

It is a super-2 number, since 2×1255532232 = 31527223611375458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125553191 and 125553200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125563223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62776611 + 62776612.

It is an arithmetic number, because the mean of its divisors is an integer number (62776612).

Almost surely, 2125553223 is an apocalyptic number.

125553223 is a deficient number, since it is larger than the sum of its proper divisors (1).

125553223 is an equidigital number, since it uses as much as digits as its factorization.

125553223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 28.

The square root of 125553223 is about 11205.0534581500. The cubic root of 125553223 is about 500.7365451364.

The spelling of 125553223 in words is "one hundred twenty-five million, five hundred fifty-three thousand, two hundred twenty-three".