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75000097 is a prime number
BaseRepresentation
bin1000111100001…
…10100100100001
312020010101210101
410132012210201
5123200000342
611235302401
71600330114
oct436064441
9166111711
1075000097
1139376757
122114aa01
13126cc673
149d6457b
1568b73b7
hex4786921

75000097 has 2 divisors, whose sum is σ = 75000098. Its totient is φ = 75000096.

The previous prime is 75000083. The next prime is 75000103. The reversal of 75000097 is 79000057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69622336 + 5377761 = 8344^2 + 2319^2 .

It is a cyclic number.

It is not a de Polignac number, because 75000097 - 215 = 74967329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75000007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37500048 + 37500049.

It is an arithmetic number, because the mean of its divisors is an integer number (37500049).

Almost surely, 275000097 is an apocalyptic number.

It is an amenable number.

75000097 is a deficient number, since it is larger than the sum of its proper divisors (1).

75000097 is an equidigital number, since it uses as much as digits as its factorization.

75000097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 75000097 is about 8660.2596381402. The cubic root of 75000097 is about 421.7165144574.

The spelling of 75000097 in words is "seventy-five million, ninety-seven", and thus it is an aban number and an uban number.