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65225052247 is a prime number
BaseRepresentation
bin111100101111101101…
…110101000001010111
320020100122102221221211
4330233231311001113
52032040103132442
645544115122251
74466223540115
oct745755650127
9206318387854
1065225052247
1125730929163
12107838a3387
1361c6104c94
14322a7b8ab5
151a6b311617
hexf2fb75057

65225052247 has 2 divisors, whose sum is σ = 65225052248. Its totient is φ = 65225052246.

The previous prime is 65225052227. The next prime is 65225052259. The reversal of 65225052247 is 74225052256.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65225052247 - 215 = 65225019479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65225052227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32612526123 + 32612526124.

It is an arithmetic number, because the mean of its divisors is an integer number (32612526124).

Almost surely, 265225052247 is an apocalyptic number.

65225052247 is a deficient number, since it is larger than the sum of its proper divisors (1).

65225052247 is an equidigital number, since it uses as much as digits as its factorization.

65225052247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336000, while the sum is 40.

Subtracting 65225052247 from its reverse (74225052256), we obtain a palindrome (9000000009).

The spelling of 65225052247 in words is "sixty-five billion, two hundred twenty-five million, fifty-two thousand, two hundred forty-seven".