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9042569 is a prime number
BaseRepresentation
bin100010011111…
…101010001001
3122000102001222
4202133222021
54303330234
6521451425
7136601114
oct42375211
918012058
109042569
1151168a8
123040b75
131b47b43
1412b557b
15bd942e
hex89fa89

9042569 has 2 divisors, whose sum is σ = 9042570. Its totient is φ = 9042568.

The previous prime is 9042563. The next prime is 9042619. The reversal of 9042569 is 9652409.

9042569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9030025 + 12544 = 3005^2 + 112^2 .

It is a cyclic number.

It is not a de Polignac number, because 9042569 - 212 = 9038473 is a prime.

It is a super-2 number, since 2×90425692 = 163536108239522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9042563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4521284 + 4521285.

It is an arithmetic number, because the mean of its divisors is an integer number (4521285).

Almost surely, 29042569 is an apocalyptic number.

It is an amenable number.

9042569 is a deficient number, since it is larger than the sum of its proper divisors (1).

9042569 is an equidigital number, since it uses as much as digits as its factorization.

9042569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 9042569 is about 3007.0864636721. The cubic root of 9042569 is about 208.3358187792.

The spelling of 9042569 in words is "nine million, forty-two thousand, five hundred sixty-nine".