1304522413 has 4 divisors (see below), whose sum is σ = 1305069948. Its totient is φ = 1303974880.

The previous prime is 1304522389. The next prime is 1304522437. The reversal of 1304522413 is 3142254031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3142254031 = 7 ⋅448893433.

It is an interprime number because it is at equal distance from previous prime (1304522389) and next prime (1304522437).

It can be written as a sum of positive squares in 2 ways, for example, as 251000649 + 1053521764 = 15843^2 + 32458^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304522413 - 2⁵ = 1304522381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304522113) 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 in 3 ways as a sum of consecutive naturals, for example, 270178 + ... + 274963.

It is an arithmetic number, because the mean of its divisors is an integer number (326267487).

Almost surely, 2^1304522413 is an apocalyptic number.

It is an amenable number.

1304522413 is a deficient number, since it is larger than the sum of its proper divisors (547535).

1304522413 is an equidigital number, since it uses as much as digits as its factorization.

1304522413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547534.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1304522413 is about 36118.1728912192. The cubic root of 1304522413 is about 1092.6569899741.

Adding to 1304522413 its reverse (3142254031), we get a palindrome (4446776444).

The spelling of 1304522413 in words is "one billion, three hundred four million, five hundred twenty-two thousand, four hundred thirteen".