1320653527 has 2 divisors, whose sum is σ = 1320653528. Its totient is φ = 1320653526.

The previous prime is 1320653519. The next prime is 1320653531. The reversal of 1320653527 is 7253560231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1320653527 - 2³ = 1320653519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320653492 and 1320653501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320653597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660326763 + 660326764.

It is an arithmetic number, because the mean of its divisors is an integer number (660326764).

Almost surely, 2^1320653527 is an apocalyptic number.

1320653527 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320653527 is an equidigital number, since it uses as much as digits as its factorization.

1320653527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 1320653527 is about 36340.7970055694. The cubic root of 1320653527 is about 1097.1423144149.

The spelling of 1320653527 in words is "one billion, three hundred twenty million, six hundred fifty-three thousand, five hundred twenty-seven".