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675889 is a prime number
BaseRepresentation
bin10100101000000110001
31021100010221
42211000301
5133112024
622253041
75513344
oct2450061
91240127
10675889
11421895
12287181
131a8846
1413845b
15d53e4
hexa5031

675889 has 2 divisors, whose sum is σ = 675890. Its totient is φ = 675888.

The previous prime is 675881. The next prime is 675923. The reversal of 675889 is 988576.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 664225 + 11664 = 815^2 + 108^2 .

It is a cyclic number.

It is not a de Polignac number, because 675889 - 23 = 675881 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (675881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337944 + 337945.

It is an arithmetic number, because the mean of its divisors is an integer number (337945).

2675889 is an apocalyptic number.

It is an amenable number.

675889 is a deficient number, since it is larger than the sum of its proper divisors (1).

675889 is an equidigital number, since it uses as much as digits as its factorization.

675889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 43.

The square root of 675889 is about 822.1246864071. The cubic root of 675889 is about 87.7590256488.

The spelling of 675889 in words is "six hundred seventy-five thousand, eight hundred eighty-nine".