1063430505 has 64 divisors (see below), whose sum is σ = 1952774400. Its totient is φ = 548674560.

The previous prime is 1063430491. The next prime is 1063430519. The reversal of 1063430505 is 5050343601.

It is an interprime number because it is at equal distance from previous prime (1063430491) and next prime (1063430519).

It is not a de Polignac number, because 1063430505 - 2⁶ = 1063430441 is a prime.

It is a super-2 number, since 2×1063430505² = 2261768877929110050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 in 63 ways as a sum of consecutive naturals, for example, 1053441 + ... + 1054449.

It is an arithmetic number, because the mean of its divisors is an integer number (30512100).

Almost surely, 2^1063430505 is an apocalyptic number.

1063430505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1063430505 is a deficient number, since it is larger than the sum of its proper divisors (889343895).

1063430505 is a wasteful number, since it uses less digits than its factorization.

1063430505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1063430505 is about 32610.2821974910. The cubic root of 1063430505 is about 1020.7115709535.

The spelling of 1063430505 in words is "one billion, sixty-three million, four hundred thirty thousand, five hundred five".