147273361 has 2 divisors, whose sum is σ = 147273362. Its totient is φ = 147273360.

The previous prime is 147273359. The next prime is 147273367. The reversal of 147273361 is 163372741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95433361 + 51840000 = 9769^2 + 7200^2 .

It is a cyclic number.

It is not a de Polignac number, because 147273361 - 2¹ = 147273359 is a prime.

It is a super-3 number, since 3×147273361³ (a number of 25 digits) contains 333 as substring.

Together with 147273359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (147273367) 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, 73636680 + 73636681.

It is an arithmetic number, because the mean of its divisors is an integer number (73636681).

Almost surely, 2^147273361 is an apocalyptic number.

It is an amenable number.

147273361 is a deficient number, since it is larger than the sum of its proper divisors (1).

147273361 is an equidigital number, since it uses as much as digits as its factorization.

147273361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 34.

The square root of 147273361 is about 12135.6236345727. The cubic root of 147273361 is about 528.0901487967.

The spelling of 147273361 in words is "one hundred forty-seven million, two hundred seventy-three thousand, three hundred sixty-one".