1085513503 has 2 divisors, whose sum is σ = 1085513504. Its totient is φ = 1085513502.

The previous prime is 1085513489. The next prime is 1085513519. The reversal of 1085513503 is 3053155801.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1085513503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1085513573) 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, 542756751 + 542756752.

It is an arithmetic number, because the mean of its divisors is an integer number (542756752).

Almost surely, 2^1085513503 is an apocalyptic number.

1085513503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085513503 is an equidigital number, since it uses as much as digits as its factorization.

1085513503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 1085513503 is about 32947.1319389109. The cubic root of 1085513503 is about 1027.7285234355.

The spelling of 1085513503 in words is "one billion, eighty-five million, five hundred thirteen thousand, five hundred three".