130555247 has 2 divisors, whose sum is σ = 130555248. Its totient is φ = 130555246.

The previous prime is 130555231. The next prime is 130555253. The reversal of 130555247 is 742555031.

It is a strong prime.

It is an emirp because it is prime and its reverse (742555031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130555247 - 2⁴ = 130555231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130555207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65277623 + 65277624.

It is an arithmetic number, because the mean of its divisors is an integer number (65277624).

Almost surely, 2^130555247 is an apocalyptic number.

130555247 is a deficient number, since it is larger than the sum of its proper divisors (1).

130555247 is an equidigital number, since it uses as much as digits as its factorization.

130555247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 130555247 is about 11426.0774984244. The cubic root of 130555247 is about 507.2999002448.

The spelling of 130555247 in words is "one hundred thirty million, five hundred fifty-five thousand, two hundred forty-seven".