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83125001 is a prime number
BaseRepresentation
bin1001111010001…
…10001100001001
312210102012001202
410331012030021
5132240000001
612125353545
72026356641
oct475061411
9183365052
1083125001
1142a16053
1223a088b5
13142b58bb
14b07b521
15746e96b
hex4f46309

83125001 has 2 divisors, whose sum is σ = 83125002. Its totient is φ = 83125000.

The previous prime is 83124989. The next prime is 83125033. The reversal of 83125001 is 10052138.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49716601 + 33408400 = 7051^2 + 5780^2 .

It is a cyclic number.

It is not a de Polignac number, because 83125001 - 214 = 83108617 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83125061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41562500 + 41562501.

It is an arithmetic number, because the mean of its divisors is an integer number (41562501).

Almost surely, 283125001 is an apocalyptic number.

It is an amenable number.

83125001 is a deficient number, since it is larger than the sum of its proper divisors (1).

83125001 is an equidigital number, since it uses as much as digits as its factorization.

83125001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 83125001 is about 9117.2913192461. The cubic root of 83125001 is about 436.4259385094.

Adding to 83125001 its reverse (10052138), we get a palindrome (93177139).

The spelling of 83125001 in words is "eighty-three million, one hundred twenty-five thousand, one".