1304503481 has 2 divisors, whose sum is σ = 1304503482. Its totient is φ = 1304503480.

The previous prime is 1304503457. The next prime is 1304503547. The reversal of 1304503481 is 1843054031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 896463481 + 408040000 = 29941^2 + 20200^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304503481 - 2¹⁰ = 1304502457 is a prime.

It is a super-2 number, since 2×1304503481² = 3403458663882234722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1304500481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652251740 + 652251741.

It is an arithmetic number, because the mean of its divisors is an integer number (652251741).

Almost surely, 2^1304503481 is an apocalyptic number.

It is an amenable number.

1304503481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304503481 is an equidigital number, since it uses as much as digits as its factorization.

1304503481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1304503481 is about 36117.9108061361. The cubic root of 1304503481 is about 1092.6517041873.

The spelling of 1304503481 in words is "one billion, three hundred four million, five hundred three thousand, four hundred eighty-one".