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1001225297 is a prime number
BaseRepresentation
bin111011101011010…
…111110001010001
32120202222111220102
4323223113301101
54022303202142
6243203422145
733545163122
oct7353276121
92522874812
101001225297
11474190426
1223b384955
1312c578b07
1496d8a049
155cd74532
hex3bad7c51

1001225297 has 2 divisors, whose sum is σ = 1001225298. Its totient is φ = 1001225296.

The previous prime is 1001225231. The next prime is 1001225333. The reversal of 1001225297 is 7925221001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 812877121 + 188348176 = 28511^2 + 13724^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001225297 - 214 = 1001208913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001225227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500612648 + 500612649.

It is an arithmetic number, because the mean of its divisors is an integer number (500612649).

Almost surely, 21001225297 is an apocalyptic number.

It is an amenable number.

1001225297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001225297 is an equidigital number, since it uses as much as digits as its factorization.

1001225297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1001225297 is about 31642.1443173499. The cubic root of 1001225297 is about 1000.4082656298.

Adding to 1001225297 its reverse (7925221001), we get a palindrome (8926446298).

The spelling of 1001225297 in words is "one billion, one million, two hundred twenty-five thousand, two hundred ninety-seven".