1304272441 has 2 divisors, whose sum is σ = 1304272442. Its totient is φ = 1304272440.

The previous prime is 1304272439. The next prime is 1304272481. The reversal of 1304272441 is 1442724031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1297512441 + 6760000 = 36021^2 + 2600^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304272441 - 2¹ = 1304272439 is a prime.

It is a super-2 number, since 2×1304272441² = 3402253200704196962, which contains 22 as substring.

Together with 1304272439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1304272421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652136220 + 652136221.

It is an arithmetic number, because the mean of its divisors is an integer number (652136221).

Almost surely, 2^1304272441 is an apocalyptic number.

It is an amenable number.

1304272441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304272441 is an equidigital number, since it uses as much as digits as its factorization.

1304272441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 1304272441 is about 36114.7122513803. The cubic root of 1304272441 is about 1092.5871940350.

Adding to 1304272441 its reverse (1442724031), we get a palindrome (2746996472).

The spelling of 1304272441 in words is "one billion, three hundred four million, two hundred seventy-two thousand, four hundred forty-one".