1347253249 has 2 divisors, whose sum is σ = 1347253250. Its totient is φ = 1347253248.

The previous prime is 1347253231. The next prime is 1347253279. The reversal of 1347253249 is 9423527431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1248350224 + 98903025 = 35332^2 + 9945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1347253249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1347253279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673626624 + 673626625.

It is an arithmetic number, because the mean of its divisors is an integer number (673626625).

Almost surely, 2^1347253249 is an apocalyptic number.

It is an amenable number.

1347253249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347253249 is an equidigital number, since it uses as much as digits as its factorization.

1347253249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 1347253249 is about 36704.9485628301. The cubic root of 1347253249 is about 1104.4593764174.

The spelling of 1347253249 in words is "one billion, three hundred forty-seven million, two hundred fifty-three thousand, two hundred forty-nine".