130263481 has 2 divisors, whose sum is σ = 130263482. Its totient is φ = 130263480.

The previous prime is 130263479. The next prime is 130263493. The reversal of 130263481 is 184362031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116640000 + 13623481 = 10800^2 + 3691^2 .

It is a cyclic number.

It is not a de Polignac number, because 130263481 - 2¹ = 130263479 is a prime.

It is a super-2 number, since 2×130263481² = 33937148964474722, which contains 22 as substring.

Together with 130263479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (130263181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65131740 + 65131741.

It is an arithmetic number, because the mean of its divisors is an integer number (65131741).

Almost surely, 2^130263481 is an apocalyptic number.

It is an amenable number.

130263481 is a deficient number, since it is larger than the sum of its proper divisors (1).

130263481 is an equidigital number, since it uses as much as digits as its factorization.

130263481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 130263481 is about 11413.3028085651. The cubic root of 130263481 is about 506.9217123043.

The spelling of 130263481 in words is "one hundred thirty million, two hundred sixty-three thousand, four hundred eighty-one".