1153232533 has 4 divisors (see below), whose sum is σ = 1156243968. Its totient is φ = 1150221100.

The previous prime is 1153232513. The next prime is 1153232551. The reversal of 1153232533 is 3352323511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3352323511 = 53 ⋅63251387.

It is a cyclic number.

It is not a de Polignac number, because 1153232533 - 2⁵ = 1153232501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153232503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505143 + ... + 1505908.

It is an arithmetic number, because the mean of its divisors is an integer number (289060992).

Almost surely, 2^1153232533 is an apocalyptic number.

It is an amenable number.

1153232533 is a deficient number, since it is larger than the sum of its proper divisors (3011435).

1153232533 is an equidigital number, since it uses as much as digits as its factorization.

1153232533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011434.

The product of its digits is 8100, while the sum is 28.

The square root of 1153232533 is about 33959.2775688765. The cubic root of 1153232533 is about 1048.6702844139.

The spelling of 1153232533 in words is "one billion, one hundred fifty-three million, two hundred thirty-two thousand, five hundred thirty-three".