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65260973 is a prime number
BaseRepresentation
bin1111100011110…
…0110110101101
311112210121020002
43320330312231
5113201322343
610250434045
71421465141
oct370746655
9145717202
1065260973
1133924598
1219a32925
131069c77b
14894b221
155ae18b8
hex3e3cdad

65260973 has 2 divisors, whose sum is σ = 65260974. Its totient is φ = 65260972.

The previous prime is 65260969. The next prime is 65261023. The reversal of 65260973 is 37906256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65254084 + 6889 = 8078^2 + 83^2 .

It is a cyclic number.

It is not a de Polignac number, because 65260973 - 22 = 65260969 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p3854990 and since 65260973 and 3854990 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65200973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32630486 + 32630487.

It is an arithmetic number, because the mean of its divisors is an integer number (32630487).

Almost surely, 265260973 is an apocalyptic number.

It is an amenable number.

65260973 is a deficient number, since it is larger than the sum of its proper divisors (1).

65260973 is an equidigital number, since it uses as much as digits as its factorization.

65260973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 65260973 is about 8078.4263937972. The cubic root of 65260973 is about 402.6099603122.

The spelling of 65260973 in words is "sixty-five million, two hundred sixty thousand, nine hundred seventy-three".