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75675251 is a prime number
BaseRepresentation
bin1001000001010…
…11011001110011
312021101200221002
410200223121303
5123333102001
611301552215
71606141361
oct440533163
9167350832
1075675251
1139797a33
122141566b
13128a7a72
14a09c631
15699c46b
hex482b673

75675251 has 2 divisors, whose sum is σ = 75675252. Its totient is φ = 75675250.

The previous prime is 75675241. The next prime is 75675269. The reversal of 75675251 is 15257657.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75675251 - 210 = 75674227 is a prime.

It is a super-2 number, since 2×756752512 = 11453487227826002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75675241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37837625 + 37837626.

It is an arithmetic number, because the mean of its divisors is an integer number (37837626).

Almost surely, 275675251 is an apocalyptic number.

75675251 is a deficient number, since it is larger than the sum of its proper divisors (1).

75675251 is an equidigital number, since it uses as much as digits as its factorization.

75675251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73500, while the sum is 38.

The square root of 75675251 is about 8699.1523150247. The cubic root of 75675251 is about 422.9781727117.

The spelling of 75675251 in words is "seventy-five million, six hundred seventy-five thousand, two hundred fifty-one".