1304500481 has 2 divisors, whose sum is σ = 1304500482. Its totient is φ = 1304500480.

The previous prime is 1304500471. The next prime is 1304500487. The reversal of 1304500481 is 1840054031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1148125456 + 156375025 = 33884^2 + 12505^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304500481 - 2²² = 1300306177 is a prime.

It is a super-2 number, since 2×1304500481² = 3403443009858462722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1304500481.

It is not a weakly prime, because it can be changed into another prime (1304500487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652250240 + 652250241.

It is an arithmetic number, because the mean of its divisors is an integer number (652250241).

Almost surely, 2^1304500481 is an apocalyptic number.

It is an amenable number.

1304500481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304500481 is an equidigital number, since it uses as much as digits as its factorization.

1304500481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1304500481 is about 36117.8692754708. The cubic root of 1304500481 is about 1092.6508665869.

The spelling of 1304500481 in words is "one billion, three hundred four million, five hundred thousand, four hundred eighty-one".