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63285109 is a prime number
BaseRepresentation
bin1111000101101…
…0011101110101
311102002012211221
43301122131311
5112200110414
610140230341
71365625456
oct361323565
9142065757
1063285109
11327a5048
121923b3b1
131015a314
14859512d
155851224
hex3c5a775

63285109 has 2 divisors, whose sum is σ = 63285110. Its totient is φ = 63285108.

The previous prime is 63285037. The next prime is 63285119. The reversal of 63285109 is 90158236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41242084 + 22043025 = 6422^2 + 4695^2 .

It is a cyclic number.

It is not a de Polignac number, because 63285109 - 215 = 63252341 is a prime.

It is a super-2 number, since 2×632851092 = 8010010042283762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63285119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31642554 + 31642555.

It is an arithmetic number, because the mean of its divisors is an integer number (31642555).

Almost surely, 263285109 is an apocalyptic number.

It is an amenable number.

63285109 is a deficient number, since it is larger than the sum of its proper divisors (1).

63285109 is an equidigital number, since it uses as much as digits as its factorization.

63285109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 63285109 is about 7955.1938379904. The cubic root of 63285109 is about 398.5050636234.

The spelling of 63285109 in words is "sixty-three million, two hundred eighty-five thousand, one hundred nine".