1304151265 has 16 divisors (see below), whose sum is σ = 1584835200. Its totient is φ = 1030119552.

The previous prime is 1304151187. The next prime is 1304151271. The reversal of 1304151265 is 5621514031.

It is a cyclic number.

It is not a de Polignac number, because 1304151265 - 2¹³ = 1304143073 is a prime.

It is a super-4 number, since 4×1304151265⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 391276 + ... + 394594.

It is an arithmetic number, because the mean of its divisors is an integer number (99052200).

Almost surely, 2^1304151265 is an apocalyptic number.

It is an amenable number.

1304151265 is a deficient number, since it is larger than the sum of its proper divisors (280683935).

1304151265 is an equidigital number, since it uses as much as digits as its factorization.

1304151265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4296.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1304151265 is about 36113.0345581758. The cubic root of 1304151265 is about 1092.5533566653.

Adding to 1304151265 its reverse (5621514031), we get a palindrome (6925665296).

The spelling of 1304151265 in words is "one billion, three hundred four million, one hundred fifty-one thousand, two hundred sixty-five".