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2505187241 is a prime number
BaseRepresentation
bin1001010101010010…
…0001111110101001
320110120221200211122
42111110201332221
520112311442431
61052330505025
7116036511614
oct22524417651
96416850748
102505187241
111076127287
1259ab95175
1330c02751b
1419aa0117b
15e9e02a7b
hex95521fa9

2505187241 has 2 divisors, whose sum is σ = 2505187242. Its totient is φ = 2505187240.

The previous prime is 2505187229. The next prime is 2505187247. The reversal of 2505187241 is 1427815052.

2505187241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2048467600 + 456719641 = 45260^2 + 21371^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505187241 - 210 = 2505186217 is a prime.

It is a super-2 number, since 2×25051872412 = 12551926224938384162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2505187247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252593620 + 1252593621.

It is an arithmetic number, because the mean of its divisors is an integer number (1252593621).

Almost surely, 22505187241 is an apocalyptic number.

It is an amenable number.

2505187241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505187241 is an equidigital number, since it uses as much as digits as its factorization.

2505187241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 2505187241 is about 50051.8455304098. The cubic root of 2505187241 is about 1358.1468490406.

The spelling of 2505187241 in words is "two billion, five hundred five million, one hundred eighty-seven thousand, two hundred forty-one".