1152522313 has 4 divisors (see below), whose sum is σ = 1166408208. Its totient is φ = 1138636420.

The previous prime is 1152522271. The next prime is 1152522323. The reversal of 1152522313 is 3132252511.

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: 3132252511 = 97 ⋅32291263.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1152522313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152522323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6942823 + ... + 6942988.

It is an arithmetic number, because the mean of its divisors is an integer number (291602052).

Almost surely, 2^1152522313 is an apocalyptic number.

It is an amenable number.

1152522313 is a deficient number, since it is larger than the sum of its proper divisors (13885895).

1152522313 is an equidigital number, since it uses as much as digits as its factorization.

1152522313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13885894.

The product of its digits is 1800, while the sum is 25.

The square root of 1152522313 is about 33948.8190221692. The cubic root of 1152522313 is about 1048.4549651459.

Adding to 1152522313 its reverse (3132252511), we get a palindrome (4284774824).

The spelling of 1152522313 in words is "one billion, one hundred fifty-two million, five hundred twenty-two thousand, three hundred thirteen".