1125573525 has 36 divisors (see below), whose sum is σ = 2049101860. Its totient is φ = 590457600.

The previous prime is 1125573499. The next prime is 1125573539. The reversal of 1125573525 is 5253755211.

1125573525 is a `hidden beast` number, since 1 + 12 + 55 + 73 + 525 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 24860196 + 1100713329 = 4986^2 + 33177^2 .

It is not a de Polignac number, because 1125573525 - 2⁹ = 1125573013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1125573525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27280 + ... + 54729.

Almost surely, 2^1125573525 is an apocalyptic number.

1125573525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1125573525 is a deficient number, since it is larger than the sum of its proper divisors (923528335).

1125573525 is a wasteful number, since it uses less digits than its factorization.

1125573525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82086 (or 82078 counting only the distinct ones).

The product of its digits is 52500, while the sum is 36.

The square root of 1125573525 is about 33549.5681790392. The cubic root of 1125573525 is about 1040.2186192896.

The spelling of 1125573525 in words is "one billion, one hundred twenty-five million, five hundred seventy-three thousand, five hundred twenty-five".