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5501281 is a prime number
BaseRepresentation
bin10100111111000101100001
3101100111100011
4110333011201
52402020111
6313524521
764521502
oct24770541
911314304
105501281
113118215
121a13741
1311a7cc6
14a32ba9
1573a021
hex53f161

5501281 has 2 divisors, whose sum is σ = 5501282. Its totient is φ = 5501280.

The previous prime is 5501273. The next prime is 5501299. The reversal of 5501281 is 1821055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5267025 + 234256 = 2295^2 + 484^2 .

It is a cyclic number.

It is not a de Polignac number, because 5501281 - 23 = 5501273 is a prime.

It is a super-2 number, since 2×55012812 = 60528185281922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5501201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750640 + 2750641.

It is an arithmetic number, because the mean of its divisors is an integer number (2750641).

Almost surely, 25501281 is an apocalyptic number.

It is an amenable number.

5501281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5501281 is an equidigital number, since it uses as much as digits as its factorization.

5501281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 5501281 is about 2345.4809741288. The cubic root of 5501281 is about 176.5311198729.

The spelling of 5501281 in words is "five million, five hundred one thousand, two hundred eighty-one".