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65974141 is a prime number
BaseRepresentation
bin1111101110101…
…0111101111101
311121010211111201
43323222331331
5113342133031
610314015501
71430525302
oct373527575
9147124451
1065974141
1134271392
121a117591
131088c26c
148a950a9
155bd2d61
hex3eeaf7d

65974141 has 2 divisors, whose sum is σ = 65974142. Its totient is φ = 65974140.

The previous prime is 65974121. The next prime is 65974151. The reversal of 65974141 is 14147956.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46526041 + 19448100 = 6821^2 + 4410^2 .

It is a cyclic number.

It is not a de Polignac number, because 65974141 - 217 = 65843069 is a prime.

It is equal to p3894661 and since 65974141 and 3894661 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65974141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65974121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32987070 + 32987071.

It is an arithmetic number, because the mean of its divisors is an integer number (32987071).

Almost surely, 265974141 is an apocalyptic number.

It is an amenable number.

65974141 is a deficient number, since it is larger than the sum of its proper divisors (1).

65974141 is an equidigital number, since it uses as much as digits as its factorization.

65974141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 65974141 is about 8122.4467372830. The cubic root of 65974141 is about 404.0712161649.

The spelling of 65974141 in words is "sixty-five million, nine hundred seventy-four thousand, one hundred forty-one".