675109 has 2 divisors, whose sum is σ = 675110. Its totient is φ = 675108.

The previous prime is 675097. The next prime is 675113. The reversal of 675109 is 901576.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 497025 + 178084 = 705^2 + 422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337554 + 337555.

It is an arithmetic number, because the mean of its divisors is an integer number (337555).

2⁶⁷⁵¹⁰⁹ is an apocalyptic number.

It is an amenable number.

675109 is a deficient number, since it is larger than the sum of its proper divisors (1).

675109 is an equidigital number, since it uses as much as digits as its factorization.

675109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 675109 is about 821.6501688675. The cubic root of 675109 is about 87.7252536394.

It can be divided in two parts, 675 and 109, that added together give a square (784 = 28²).

The spelling of 675109 in words is "six hundred seventy-five thousand, one hundred nine".