675696397 has 2 divisors, whose sum is σ = 675696398. Its totient is φ = 675696396.

The previous prime is 675696389. The next prime is 675696409. The reversal of 675696397 is 793696576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605455236 + 70241161 = 24606^2 + 8381^2 .

It is a cyclic number.

It is not a de Polignac number, because 675696397 - 2³ = 675696389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675696347) 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, 337848198 + 337848199.

It is an arithmetic number, because the mean of its divisors is an integer number (337848199).

Almost surely, 2^675696397 is an apocalyptic number.

It is an amenable number.

675696397 is a deficient number, since it is larger than the sum of its proper divisors (1).

675696397 is an equidigital number, since it uses as much as digits as its factorization.

675696397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12859560, while the sum is 58.

The square root of 675696397 is about 25994.1608250776. The cubic root of 675696397 is about 877.5068884723.

The spelling of 675696397 in words is "six hundred seventy-five million, six hundred ninety-six thousand, three hundred ninety-seven".