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25050252755537 is a prime number
BaseRepresentation
bin1011011001000011101110…
…11010101100001001010001
310021200210002012000010002222
411230201313122230021101
511240410404201134122
6125135532141350425
75163551421116312
oct554416732541121
9107623065003088
1025050252755537
117a88830692619
122986aa6b68415
1310c92c85b36b9
1462861db2a609
152d6934227b42
hex16c8776ac251

25050252755537 has 2 divisors, whose sum is σ = 25050252755538. Its totient is φ = 25050252755536.

The previous prime is 25050252755533. The next prime is 25050252755573. The reversal of 25050252755537 is 73555725205052.

Together with next prime (25050252755573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20946585641536 + 4103667114001 = 4576744^2 + 2025751^2 .

It is a cyclic number.

It is not a de Polignac number, because 25050252755537 - 22 = 25050252755533 is a prime.

It is a super-2 number, since 2×250502527555372 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25050252755531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12525126377768 + 12525126377769.

It is an arithmetic number, because the mean of its divisors is an integer number (12525126377769).

Almost surely, 225050252755537 is an apocalyptic number.

It is an amenable number.

25050252755537 is a deficient number, since it is larger than the sum of its proper divisors (1).

25050252755537 is an equidigital number, since it uses as much as digits as its factorization.

25050252755537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18375000, while the sum is 53.

The spelling of 25050252755537 in words is "twenty-five trillion, fifty billion, two hundred fifty-two million, seven hundred fifty-five thousand, five hundred thirty-seven".