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65745497 is a prime number
BaseRepresentation
bin1111101011001…
…1001001011001
311120201012212102
43322303021121
5113312323442
610305053145
71425553556
oct372631131
9146635772
1065745497
1134125624
121a0271b5
131080c17c
148a35a2d
155b8a232
hex3eb3259

65745497 has 2 divisors, whose sum is σ = 65745498. Its totient is φ = 65745496.

The previous prime is 65745473. The next prime is 65745499. The reversal of 65745497 is 79454756.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46526041 + 19219456 = 6821^2 + 4384^2 .

It is a cyclic number.

It is not a de Polignac number, because 65745497 - 28 = 65745241 is a prime.

Together with 65745499, 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 (65745499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32872748 + 32872749.

It is an arithmetic number, because the mean of its divisors is an integer number (32872749).

Almost surely, 265745497 is an apocalyptic number.

It is an amenable number.

65745497 is a deficient number, since it is larger than the sum of its proper divisors (1).

65745497 is an equidigital number, since it uses as much as digits as its factorization.

65745497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 47.

The square root of 65745497 is about 8108.3596984840. The cubic root of 65745497 is about 403.6038846077.

The spelling of 65745497 in words is "sixty-five million, seven hundred forty-five thousand, four hundred ninety-seven".