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8528969 is a prime number
BaseRepresentation
bin100000100010…
…010001001001
3121001022112202
4200202101021
54140411334
6502445545
7132331541
oct40422111
917038482
108528969
1148a5a39
122a338b5
1319c8137
1411c0321
15b3717e
hex822449

8528969 has 2 divisors, whose sum is σ = 8528970. Its totient is φ = 8528968.

The previous prime is 8528911. The next prime is 8528977. The reversal of 8528969 is 9698258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6568969 + 1960000 = 2563^2 + 1400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8528969 is a prime.

It is a super-2 number, since 2×85289692 = 145486624405922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8525969) 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, 4264484 + 4264485.

It is an arithmetic number, because the mean of its divisors is an integer number (4264485).

Almost surely, 28528969 is an apocalyptic number.

It is an amenable number.

8528969 is a deficient number, since it is larger than the sum of its proper divisors (1).

8528969 is an equidigital number, since it uses as much as digits as its factorization.

8528969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 47.

The square root of 8528969 is about 2920.4398641301. The cubic root of 8528969 is about 204.3143382203.

It can be divided in two parts, 85289 and 69, that added together give a palindrome (85358).

The spelling of 8528969 in words is "eight million, five hundred twenty-eight thousand, nine hundred sixty-nine".