675321197 has 2 divisors, whose sum is σ = 675321198. Its totient is φ = 675321196.

The previous prime is 675321137. The next prime is 675321211. The reversal of 675321197 is 791123576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 525968356 + 149352841 = 22934^2 + 12221^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675321197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675321137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337660598 + 337660599.

It is an arithmetic number, because the mean of its divisors is an integer number (337660599).

Almost surely, 2^675321197 is an apocalyptic number.

It is an amenable number.

675321197 is a deficient number, since it is larger than the sum of its proper divisors (1).

675321197 is an equidigital number, since it uses as much as digits as its factorization.

675321197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 41.

The square root of 675321197 is about 25986.9428174997. The cubic root of 675321197 is about 877.3444380261.

The spelling of 675321197 in words is "six hundred seventy-five million, three hundred twenty-one thousand, one hundred ninety-seven".