1304249 has 2 divisors, whose sum is σ = 1304250. Its totient is φ = 1304248.

The previous prime is 1304243. The next prime is 1304267. The reversal of 1304249 is 9424031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1210000 + 94249 = 1100^2 + 307^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304249 - 2¹² = 1300153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1304243) 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, 652124 + 652125.

It is an arithmetic number, because the mean of its divisors is an integer number (652125).

2^1304249 is an apocalyptic number.

It is an amenable number.

1304249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304249 is an equidigital number, since it uses as much as digits as its factorization.

1304249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1304249 is about 1142.0372148052. The cubic root of 1304249 is about 109.2580648498.

The spelling of 1304249 in words is "one million, three hundred four thousand, two hundred forty-nine".