1153030525 has 18 divisors (see below), whose sum is σ = 1518818030. Its totient is φ = 868158720.

The previous prime is 1153030499. The next prime is 1153030573. The reversal of 1153030525 is 5250303511.

It can be written as a sum of positive squares in 9 ways, for example, as 313537849 + 839492676 = 17707^2 + 28974^2 .

It is not a de Polignac number, because 1153030525 - 2⁷ = 1153030397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1153030525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 72570 + ... + 87019.

Almost surely, 2^1153030525 is an apocalyptic number.

It is an amenable number.

1153030525 is a deficient number, since it is larger than the sum of its proper divisors (365787505).

1153030525 is a wasteful number, since it uses less digits than its factorization.

1153030525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159633 (or 159611 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1153030525 is about 33956.3031703983. The cubic root of 1153030525 is about 1048.6090501149.

The spelling of 1153030525 in words is "one billion, one hundred fifty-three million, thirty thousand, five hundred twenty-five".