130443251 has 2 divisors, whose sum is σ = 130443252. Its totient is φ = 130443250.

The previous prime is 130443223. The next prime is 130443253. The reversal of 130443251 is 152344031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130443251 is a prime.

Together with 130443253, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (130443253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65221625 + 65221626.

It is an arithmetic number, because the mean of its divisors is an integer number (65221626).

Almost surely, 2^130443251 is an apocalyptic number.

130443251 is a deficient number, since it is larger than the sum of its proper divisors (1).

130443251 is an equidigital number, since it uses as much as digits as its factorization.

130443251 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 23.

The square root of 130443251 is about 11421.1755524552. The cubic root of 130443251 is about 507.1547973989.

Adding to 130443251 its reverse (152344031), we get a palindrome (282787282).

The spelling of 130443251 in words is "one hundred thirty million, four hundred forty-three thousand, two hundred fifty-one".