130503481 has 2 divisors, whose sum is σ = 130503482. Its totient is φ = 130503480.

The previous prime is 130503433. The next prime is 130503491. The reversal of 130503481 is 184305031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106090000 + 24413481 = 10300^2 + 4941^2 .

It is a cyclic number.

It is not a de Polignac number, because 130503481 - 2⁹ = 130502969 is a prime.

It is a super-2 number, since 2×130503481² = 34062317106234722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130503421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65251740 + 65251741.

It is an arithmetic number, because the mean of its divisors is an integer number (65251741).

Almost surely, 2^130503481 is an apocalyptic number.

It is an amenable number.

130503481 is a deficient number, since it is larger than the sum of its proper divisors (1).

130503481 is an equidigital number, since it uses as much as digits as its factorization.

130503481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 130503481 is about 11423.8120170108. The cubic root of 130503481 is about 507.2328421503.

The spelling of 130503481 in words is "one hundred thirty million, five hundred three thousand, four hundred eighty-one".