1327552643 has 2 divisors, whose sum is σ = 1327552644. Its totient is φ = 1327552642.

The previous prime is 1327552621. The next prime is 1327552657. The reversal of 1327552643 is 3462557231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1327552643 - 2⁶ = 1327552579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1327552597 and 1327552606.

It is not a weakly prime, because it can be changed into another prime (1327555643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663776321 + 663776322.

It is an arithmetic number, because the mean of its divisors is an integer number (663776322).

Almost surely, 2^1327552643 is an apocalyptic number.

1327552643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327552643 is an equidigital number, since it uses as much as digits as its factorization.

1327552643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 38.

The square root of 1327552643 is about 36435.5958233154. The cubic root of 1327552643 is about 1099.0494937834.

The spelling of 1327552643 in words is "one billion, three hundred twenty-seven million, five hundred fifty-two thousand, six hundred forty-three".