1304020433 has 2 divisors, whose sum is σ = 1304020434. Its totient is φ = 1304020432.

The previous prime is 1304020429. The next prime is 1304020439. The reversal of 1304020433 is 3340204031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1260037009 + 43983424 = 35497^2 + 6632^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304020433 - 2² = 1304020429 is a prime.

It is not a weakly prime, because it can be changed into another prime (1304020439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652010216 + 652010217.

It is an arithmetic number, because the mean of its divisors is an integer number (652010217).

Almost surely, 2^1304020433 is an apocalyptic number.

It is an amenable number.

1304020433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304020433 is an equidigital number, since it uses as much as digits as its factorization.

1304020433 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 20.

The square root of 1304020433 is about 36111.2230892281. The cubic root of 1304020433 is about 1092.5168205863.

Adding to 1304020433 its reverse (3340204031), we get a palindrome (4644224464).

The spelling of 1304020433 in words is "one billion, three hundred four million, twenty thousand, four hundred thirty-three".