1153230533 has 12 divisors (see below), whose sum is σ = 1444707180. Its totient is φ = 912445632.

The previous prime is 1153230527. The next prime is 1153230563. The reversal of 1153230533 is 3350323511.

It can be written as a sum of positive squares in 2 ways, for example, as 503643364 + 649587169 = 22442^2 + 25487^2 .

It is not a de Polignac number, because 1153230533 - 2⁸ = 1153230277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153230503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 904568 + ... + 905841.

It is an arithmetic number, because the mean of its divisors is an integer number (120392265).

Almost surely, 2^1153230533 is an apocalyptic number.

1153230533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1153230533 is a deficient number, since it is larger than the sum of its proper divisors (291476647).

1153230533 is a wasteful number, since it uses less digits than its factorization.

1153230533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810436 (or 1810429 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 1153230533 is about 33959.2481218298. The cubic root of 1153230533 is about 1048.6696781928.

The spelling of 1153230533 in words is "one billion, one hundred fifty-three million, two hundred thirty thousand, five hundred thirty-three".