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265028969 is a prime number
BaseRepresentation
bin11111100110000…
…00010101101001
3200110200212101202
433303000111221
51020321411334
642144253545
76365465132
oct1763002551
9613625352
10265028969
11126669207
12749112b5
1342ba529a
14272acc89
151840217e
hexfcc0569

265028969 has 2 divisors, whose sum is σ = 265028970. Its totient is φ = 265028968.

The previous prime is 265028923. The next prime is 265028971. The reversal of 265028969 is 969820562.

It is a happy number.

265028969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242113600 + 22915369 = 15560^2 + 4787^2 .

It is a cyclic number.

It is not a de Polignac number, because 265028969 - 220 = 263980393 is a prime.

It is a super-2 number, since 2×2650289692 = 140480708818405922, which contains 22 as substring.

Together with 265028971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (265028989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132514484 + 132514485.

It is an arithmetic number, because the mean of its divisors is an integer number (132514485).

Almost surely, 2265028969 is an apocalyptic number.

It is an amenable number.

265028969 is a deficient number, since it is larger than the sum of its proper divisors (1).

265028969 is an equidigital number, since it uses as much as digits as its factorization.

265028969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 265028969 is about 16279.7103475461. The cubic root of 265028969 is about 642.3392333459.

The spelling of 265028969 in words is "two hundred sixty-five million, twenty-eight thousand, nine hundred sixty-nine".