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5675981 is a prime number
BaseRepresentation
bin10101101001101111001101
3101200100222112
4111221233031
52423112411
6321353405
766150023
oct25515715
911610875
105675981
1132274a3
121a98865
13123968c
14a7a713
15771b8b
hex569bcd

5675981 has 2 divisors, whose sum is σ = 5675982. Its totient is φ = 5675980.

The previous prime is 5675959. The next prime is 5675983. The reversal of 5675981 is 1895765.

5675981 is digitally balanced in base 3, 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., 3455881 + 2220100 = 1859^2 + 1490^2 .

It is a cyclic number.

It is not a de Polignac number, because 5675981 - 214 = 5659597 is a prime.

It is a super-2 number, since 2×56759812 = 64433520624722, which contains 22 as substring.

Together with 5675983, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5675983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2837990 + 2837991.

It is an arithmetic number, because the mean of its divisors is an integer number (2837991).

Almost surely, 25675981 is an apocalyptic number.

It is an amenable number.

5675981 is a deficient number, since it is larger than the sum of its proper divisors (1).

5675981 is an equidigital number, since it uses as much as digits as its factorization.

5675981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 41.

The square root of 5675981 is about 2382.4317408900. The cubic root of 5675981 is about 178.3803360156.

The spelling of 5675981 in words is "five million, six hundred seventy-five thousand, nine hundred eighty-one".