1063540503 has 16 divisors (see below), whose sum is σ = 1594602240. Its totient is φ = 700483032.

The previous prime is 1063540501. The next prime is 1063540507. The reversal of 1063540503 is 3050453601.

1063540503 is a `hidden beast` number, since 10 + 63 + 540 + 50 + 3 = 666.

It is not a de Polignac number, because 1063540503 - 2¹ = 1063540501 is a prime.

It is a super-2 number, since 2×1063540503² = 2262236803042986018, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063540501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235051 + ... + 239532.

It is an arithmetic number, because the mean of its divisors is an integer number (99662640).

Almost surely, 2^1063540503 is an apocalyptic number.

1063540503 is a deficient number, since it is larger than the sum of its proper divisors (531061737).

1063540503 is an equidigital number, since it uses as much as digits as its factorization.

1063540503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474675 (or 474669 counting only the distinct ones).

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

The square root of 1063540503 is about 32611.9687078226. The cubic root of 1063540503 is about 1020.7467628348.

The spelling of 1063540503 in words is "one billion, sixty-three million, five hundred forty thousand, five hundred three".