1513830481 has 2 divisors, whose sum is σ = 1513830482. Its totient is φ = 1513830480.

The previous prime is 1513830401. The next prime is 1513830499. The reversal of 1513830481 is 1840383151.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1491890625 + 21939856 = 38625^2 + 4684^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1513830481 is a prime.

It is a super-2 number, since 2×1513830481² = 4583365450409382722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1513830401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756915240 + 756915241.

It is an arithmetic number, because the mean of its divisors is an integer number (756915241).

Almost surely, 2^1513830481 is an apocalyptic number.

It is an amenable number.

1513830481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513830481 is an equidigital number, since it uses as much as digits as its factorization.

1513830481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 1513830481 is about 38907.9745168005. The cubic root of 1513830481 is about 1148.2216953892.

The spelling of 1513830481 in words is "one billion, five hundred thirteen million, eight hundred thirty thousand, four hundred eighty-one".