1011003525 has 180 divisors, whose sum is σ = 2278327392. Its totient is φ = 441080640.

The previous prime is 1011003493. The next prime is 1011003533. The reversal of 1011003525 is 5253001101.

It is not a de Polignac number, because 1011003525 - 2⁵ = 1011003493 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1011003498 and 1011003507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 2281954 + ... + 2282396.

Almost surely, 2^1011003525 is an apocalyptic number.

1011003525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1011003525 is an abundant number, since it is smaller than the sum of its proper divisors (1267323867).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011003525 is a wasteful number, since it uses less digits than its factorization.

1011003525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1011003525 is about 31796.2816222275. The cubic root of 1011003525 is about 1003.6544702452.

Adding to 1011003525 its reverse (5253001101), we get a palindrome (6264004626).

The spelling of 1011003525 in words is "one billion, eleven million, three thousand, five hundred twenty-five".