1063503525 has 24 divisors (see below), whose sum is σ = 2009516224. Its totient is φ = 486172800.

The previous prime is 1063503523. The next prime is 1063503547. The reversal of 1063503525 is 5253053601.

It is not a de Polignac number, because 1063503525 - 2¹ = 1063503523 is a prime.

It is a super-2 number, since 2×1063503525² = 2262079495374851250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1063503492 and 1063503501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063503521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1012336 + ... + 1013385.

Almost surely, 2^1063503525 is an apocalyptic number.

1063503525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1063503525 is a deficient number, since it is larger than the sum of its proper divisors (946012699).

1063503525 is a wasteful number, since it uses less digits than its factorization.

1063503525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025741 (or 2025736 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 1063503525 is about 32611.4017638003. The cubic root of 1063503525 is about 1020.7349326597.

The spelling of 1063503525 in words is "one billion, sixty-three million, five hundred three thousand, five hundred twenty-five".