1530456647 has 2 divisors, whose sum is σ = 1530456648. Its totient is φ = 1530456646.

The previous prime is 1530456589. The next prime is 1530456649. The reversal of 1530456647 is 7466540351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1530456647 - 2⁶ = 1530456583 is a prime.

Together with 1530456649, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1530456649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765228323 + 765228324.

It is an arithmetic number, because the mean of its divisors is an integer number (765228324).

Almost surely, 2^1530456647 is an apocalyptic number.

1530456647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530456647 is an equidigital number, since it uses as much as digits as its factorization.

1530456647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 1530456647 is about 39121.0512000892. The cubic root of 1530456647 is about 1152.4099799348.

Adding to 1530456647 its reverse (7466540351), we get a palindrome (8996996998).

The spelling of 1530456647 in words is "one billion, five hundred thirty million, four hundred fifty-six thousand, six hundred forty-seven".