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12528553 is a prime number
BaseRepresentation
bin101111110010…
…101110101001
3212120111221111
4233302232221
511201403203
61124310321
7211330252
oct57625651
925514844
1012528553
117087984
1242423a1
13279875b
141941b29
15117726d
hexbf2ba9

12528553 has 2 divisors, whose sum is σ = 12528554. Its totient is φ = 12528552.

The previous prime is 12528517. The next prime is 12528559. The reversal of 12528553 is 35582521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11471769 + 1056784 = 3387^2 + 1028^2 .

It is a cyclic number.

It is not a de Polignac number, because 12528553 - 221 = 10431401 is a prime.

It is not a weakly prime, because it can be changed into another prime (12528559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6264276 + 6264277.

It is an arithmetic number, because the mean of its divisors is an integer number (6264277).

Almost surely, 212528553 is an apocalyptic number.

It is an amenable number.

12528553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12528553 is an equidigital number, since it uses as much as digits as its factorization.

12528553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12000, while the sum is 31.

The square root of 12528553 is about 3539.5696066047. The cubic root of 12528553 is about 232.2560156843.

The spelling of 12528553 in words is "twelve million, five hundred twenty-eight thousand, five hundred fifty-three".