675646297 has 2 divisors, whose sum is σ = 675646298. Its totient is φ = 675646296.

The previous prime is 675646277. The next prime is 675646313. The reversal of 675646297 is 792646576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 667912336 + 7733961 = 25844^2 + 2781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675646297 is a prime.

It is not a weakly prime, because it can be changed into another prime (675646217) 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, 337823148 + 337823149.

It is an arithmetic number, because the mean of its divisors is an integer number (337823149).

Almost surely, 2^675646297 is an apocalyptic number.

It is an amenable number.

675646297 is a deficient number, since it is larger than the sum of its proper divisors (1).

675646297 is an equidigital number, since it uses as much as digits as its factorization.

675646297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 52.

The square root of 675646297 is about 25993.1971292490. The cubic root of 675646297 is about 877.4852001411.

The spelling of 675646297 in words is "six hundred seventy-five million, six hundred forty-six thousand, two hundred ninety-seven".