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8125084529 is a prime number
BaseRepresentation
bin1111001000100101…
…01111001101110001
3202222020210001121122
413210102233031301
5113120010201104
63422124432025
7405230036042
oct74422571561
922866701548
108125084529
11349a4422a1
1216a90a8615
139c642a433
145711488c9
153284a76be
hex1e44af371

8125084529 has 2 divisors, whose sum is σ = 8125084530. Its totient is φ = 8125084528.

The previous prime is 8125084501. The next prime is 8125084547. The reversal of 8125084529 is 9254805218.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7182901504 + 942183025 = 84752^2 + 30695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8125084529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8125084529.

It is not a weakly prime, because it can be changed into another prime (8125084579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4062542264 + 4062542265.

It is an arithmetic number, because the mean of its divisors is an integer number (4062542265).

Almost surely, 28125084529 is an apocalyptic number.

It is an amenable number.

8125084529 is a deficient number, since it is larger than the sum of its proper divisors (1).

8125084529 is an equidigital number, since it uses as much as digits as its factorization.

8125084529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 8125084529 is about 90139.2507679091. The cubic root of 8125084529 is about 2010.3698509202.

The spelling of 8125084529 in words is "eight billion, one hundred twenty-five million, eighty-four thousand, five hundred twenty-nine".