1153532525 has 12 divisors (see below), whose sum is σ = 1435706100. Its totient is φ = 919390080.

The previous prime is 1153532519. The next prime is 1153532533. The reversal of 1153532525 is 5252353511.

It can be written as a sum of positive squares in 6 ways, for example, as 229007689 + 924524836 = 15133^2 + 30406^2 .

It is not a de Polignac number, because 1153532525 - 2¹² = 1153528429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1153532491 and 1153532500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79040 + ... + 92489.

It is an arithmetic number, because the mean of its divisors is an integer number (119642175).

Almost surely, 2^1153532525 is an apocalyptic number.

It is an amenable number.

1153532525 is a deficient number, since it is larger than the sum of its proper divisors (282173575).

1153532525 is a wasteful number, since it uses less digits than its factorization.

1153532525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171808 (or 171803 counting only the distinct ones).

The product of its digits is 22500, while the sum is 32.

The square root of 1153532525 is about 33963.6942189745. The cubic root of 1153532525 is about 1048.7612072222.

The spelling of 1153532525 in words is "one billion, one hundred fifty-three million, five hundred thirty-two thousand, five hundred twenty-five".