130473281 has 2 divisors, whose sum is σ = 130473282. Its totient is φ = 130473280.

The previous prime is 130473253. The next prime is 130473289. The reversal of 130473281 is 182374031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130325056 + 148225 = 11416^2 + 385^2 .

It is a cyclic number.

It is not a de Polignac number, because 130473281 - 2²⁶ = 63364417 is a prime.

It is a super-2 number, since 2×130473281² = 34046554109809922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130473289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65236640 + 65236641.

It is an arithmetic number, because the mean of its divisors is an integer number (65236641).

Almost surely, 2^130473281 is an apocalyptic number.

It is an amenable number.

130473281 is a deficient number, since it is larger than the sum of its proper divisors (1).

130473281 is an equidigital number, since it uses as much as digits as its factorization.

130473281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 130473281 is about 11422.4901400702. The cubic root of 130473281 is about 507.1937126356.

The spelling of 130473281 in words is "one hundred thirty million, four hundred seventy-three thousand, two hundred eighty-one".