147197293 has 2 divisors, whose sum is σ = 147197294. Its totient is φ = 147197292.

The previous prime is 147197291. The next prime is 147197329. The reversal of 147197293 is 392791741.

It is a happy number.

Together with next prime (147197329) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116704809 + 30492484 = 10803^2 + 5522^2 .

It is a cyclic number.

It is not a de Polignac number, because 147197293 - 2¹ = 147197291 is a prime.

Together with 147197291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147197291) 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, 73598646 + 73598647.

It is an arithmetic number, because the mean of its divisors is an integer number (73598647).

Almost surely, 2^147197293 is an apocalyptic number.

It is an amenable number.

147197293 is a deficient number, since it is larger than the sum of its proper divisors (1).

147197293 is an equidigital number, since it uses as much as digits as its factorization.

147197293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 43.

The square root of 147197293 is about 12132.4891510357. The cubic root of 147197293 is about 527.9992120531. Note that the first 3 decimals are identical.

The spelling of 147197293 in words is "one hundred forty-seven million, one hundred ninety-seven thousand, two hundred ninety-three".