1162563313 has 4 divisors (see below), whose sum is σ = 1213109568. Its totient is φ = 1112017060.

The previous prime is 1162563307. The next prime is 1162563331. The reversal of 1162563313 is 3133652611.

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: 3133652611 = 107 ⋅29286473.

It is a cyclic number.

It is not a de Polignac number, because 1162563313 - 2¹⁷ = 1162432241 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1162563383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25273093 + ... + 25273138.

It is an arithmetic number, because the mean of its divisors is an integer number (303277392).

Almost surely, 2^1162563313 is an apocalyptic number.

It is an amenable number.

1162563313 is a deficient number, since it is larger than the sum of its proper divisors (50546255).

1162563313 is an equidigital number, since it uses as much as digits as its factorization.

1162563313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50546254.

The product of its digits is 9720, while the sum is 31.

The square root of 1162563313 is about 34096.3826967026. The cubic root of 1162563313 is about 1051.4909470832.

The spelling of 1162563313 in words is "one billion, one hundred sixty-two million, five hundred sixty-three thousand, three hundred thirteen".