147197 has 2 divisors, whose sum is σ = 147198. Its totient is φ = 147196.

The previous prime is 147179. The next prime is 147209. The reversal of 147197 is 791741.

Together with previous prime (147179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109561 + 37636 = 331^2 + 194^2 .

It is a cyclic number.

It is not a de Polignac number, because 147197 - 2⁸ = 146941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147107) 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, 73598 + 73599.

It is an arithmetic number, because the mean of its divisors is an integer number (73599).

2¹⁴⁷¹⁹⁷ is an apocalyptic number.

It is an amenable number.

147197 is a deficient number, since it is larger than the sum of its proper divisors (1).

147197 is an equidigital number, since it uses as much as digits as its factorization.

147197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 29.

The square root of 147197 is about 383.6626121998. The cubic root of 147197 is about 52.7998861721.

The spelling of 147197 in words is "one hundred forty-seven thousand, one hundred ninety-seven".