1153252373 has 32 divisors (see below), whose sum is σ = 1441440000. Its totient is φ = 898407936.

The previous prime is 1153252363. The next prime is 1153252379. The reversal of 1153252373 is 3732523511.

It is a cyclic number.

It is not a de Polignac number, because 1153252373 - 2⁴ = 1153252357 is a prime.

It is a super-2 number, since 2×1153252373² = 2659982071660262258, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153252379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2310878 + ... + 2311376.

It is an arithmetic number, because the mean of its divisors is an integer number (45045000).

Almost surely, 2^1153252373 is an apocalyptic number.

1153252373 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1153252373 is a deficient number, since it is larger than the sum of its proper divisors (288187627).

1153252373 is a wasteful number, since it uses less digits than its factorization.

1153252373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861.

The product of its digits is 18900, while the sum is 32.

The square root of 1153252373 is about 33959.5696821971. The cubic root of 1153252373 is about 1048.6762980895.

Adding to 1153252373 its reverse (3732523511), we get a palindrome (4885775884).

The spelling of 1153252373 in words is "one billion, one hundred fifty-three million, two hundred fifty-two thousand, three hundred seventy-three".