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5607281 is a prime number
BaseRepresentation
bin10101011000111101110001
3101112212202002
4111120331301
52413413111
6320103345
765442521
oct25307561
911485662
105607281
11318a919
121a64b55
131214324
14a5d681
1575b63b
hex558f71

5607281 has 2 divisors, whose sum is σ = 5607282. Its totient is φ = 5607280.

The previous prime is 5607271. The next prime is 5607289. The reversal of 5607281 is 1827065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5216656 + 390625 = 2284^2 + 625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5607281 is a prime.

It is a super-2 number, since 2×56072812 = 62883200425922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5607289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2803640 + 2803641.

It is an arithmetic number, because the mean of its divisors is an integer number (2803641).

Almost surely, 25607281 is an apocalyptic number.

It is an amenable number.

5607281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5607281 is an equidigital number, since it uses as much as digits as its factorization.

5607281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 5607281 is about 2367.9698055507. The cubic root of 5607281 is about 177.6577292681.

The spelling of 5607281 in words is "five million, six hundred seven thousand, two hundred eighty-one".