1347232273 has 2 divisors, whose sum is σ = 1347232274. Its totient is φ = 1347232272.

The previous prime is 1347232213. The next prime is 1347232309. The reversal of 1347232273 is 3722327431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1152127249 + 195105024 = 33943^2 + 13968^2 .

It is an emirp because it is prime and its reverse (3722327431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1347232273 - 2⁹ = 1347231761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1347232213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673616136 + 673616137.

It is an arithmetic number, because the mean of its divisors is an integer number (673616137).

Almost surely, 2^1347232273 is an apocalyptic number.

It is an amenable number.

1347232273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347232273 is an equidigital number, since it uses as much as digits as its factorization.

1347232273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 34.

The square root of 1347232273 is about 36704.6628236795. The cubic root of 1347232273 is about 1104.4536444438.

The spelling of 1347232273 in words is "one billion, three hundred forty-seven million, two hundred thirty-two thousand, two hundred seventy-three".