1081538063 has 2 divisors, whose sum is σ = 1081538064. Its totient is φ = 1081538062.

The previous prime is 1081538047. The next prime is 1081538111. The reversal of 1081538063 is 3608351801.

It is a weak prime.

It is an emirp because it is prime and its reverse (3608351801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1081538063 - 2⁴ = 1081538047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081538363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540769031 + 540769032.

It is an arithmetic number, because the mean of its divisors is an integer number (540769032).

Almost surely, 2^1081538063 is an apocalyptic number.

1081538063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081538063 is an equidigital number, since it uses as much as digits as its factorization.

1081538063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1081538063 is about 32886.7460080805. The cubic root of 1081538063 is about 1026.4723834149.

Adding to 1081538063 its reverse (3608351801), we get a palindrome (4689889864).

The spelling of 1081538063 in words is "one billion, eighty-one million, five hundred thirty-eight thousand, sixty-three".