675281279 has 2 divisors, whose sum is σ = 675281280. Its totient is φ = 675281278.

The previous prime is 675281273. The next prime is 675281297. The reversal of 675281279 is 972182576.

It is a happy number.

Together with next prime (675281297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 675281279 - 2⁴ = 675281263 is a prime.

It is a super-3 number, since 3×675281279³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675281273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337640639 + 337640640.

It is an arithmetic number, because the mean of its divisors is an integer number (337640640).

Almost surely, 2^675281279 is an apocalyptic number.

675281279 is a deficient number, since it is larger than the sum of its proper divisors (1).

675281279 is an equidigital number, since it uses as much as digits as its factorization.

675281279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The square root of 675281279 is about 25986.1747665946. The cubic root of 675281279 is about 877.3271511778.

The spelling of 675281279 in words is "six hundred seventy-five million, two hundred eighty-one thousand, two hundred seventy-nine".