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6925320121 is a prime number
BaseRepresentation
bin1100111001100011…
…11111111110111001
3122212122012201020211
412130301333332321
5103140340220441
63103105351121
7333421151446
oct63461777671
918778181224
106925320121
112a34187565
1214133384a1
138649b9275
14499a7a9cd
152a7eb6a81
hex19cc7ffb9

6925320121 has 2 divisors, whose sum is σ = 6925320122. Its totient is φ = 6925320120.

The previous prime is 6925320119. The next prime is 6925320131. The reversal of 6925320121 is 1210235296.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4243219600 + 2682100521 = 65140^2 + 51789^2 .

It is a cyclic number.

It is not a de Polignac number, because 6925320121 - 21 = 6925320119 is a prime.

Together with 6925320119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6925320131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3462660060 + 3462660061.

It is an arithmetic number, because the mean of its divisors is an integer number (3462660061).

Almost surely, 26925320121 is an apocalyptic number.

It is an amenable number.

6925320121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6925320121 is an equidigital number, since it uses as much as digits as its factorization.

6925320121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 6925320121 is about 83218.5082839148. The cubic root of 6925320121 is about 1906.1041099408.

The spelling of 6925320121 in words is "six billion, nine hundred twenty-five million, three hundred twenty thousand, one hundred twenty-one".