1153233253 has 8 divisors (see below), whose sum is σ = 1227571200. Its totient is φ = 1080259488.

The previous prime is 1153233247. The next prime is 1153233337. The reversal of 1153233253 is 3523323511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1153233253 - 2⁹ = 1153232741 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 (1153233203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339301 + ... + 342682.

It is an arithmetic number, because the mean of its divisors is an integer number (153446400).

Almost surely, 2^1153233253 is an apocalyptic number.

It is an amenable number.

1153233253 is a deficient number, since it is larger than the sum of its proper divisors (74337947).

1153233253 is an equidigital number, since it uses as much as digits as its factorization.

1153233253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682091.

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

The square root of 1153233253 is about 33959.2881698071. The cubic root of 1153233253 is about 1048.6705026533.

Adding to 1153233253 its reverse (3523323511), we get a palindrome (4676556764).

The spelling of 1153233253 in words is "one billion, one hundred fifty-three million, two hundred thirty-three thousand, two hundred fifty-three".