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565145071 is a prime number
BaseRepresentation
bin100001101011110…
…110110111101111
31110101102100021221
4201223312313233
52124134120241
6132025004211
720001440161
oct4153666757
91411370257
10565145071
11270011947
12139323667
1390113b8a
14550b2931
15349355d1
hex21af6def

565145071 has 2 divisors, whose sum is σ = 565145072. Its totient is φ = 565145070.

The previous prime is 565145041. The next prime is 565145081. The reversal of 565145071 is 170541565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 565145071 - 25 = 565145039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565145041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282572535 + 282572536.

It is an arithmetic number, because the mean of its divisors is an integer number (282572536).

Almost surely, 2565145071 is an apocalyptic number.

565145071 is a deficient number, since it is larger than the sum of its proper divisors (1).

565145071 is an equidigital number, since it uses as much as digits as its factorization.

565145071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 565145071 is about 23772.7800435708. The cubic root of 565145071 is about 826.7736904194.

The spelling of 565145071 in words is "five hundred sixty-five million, one hundred forty-five thousand, seventy-one".