1052865113 has 4 divisors (see below), whose sum is σ = 1053021648. Its totient is φ = 1052708580.

The previous prime is 1052865109. The next prime is 1052865137. The reversal of 1052865113 is 3115682501.

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: 3115682501 = 79 ⋅39439019.

It is a cyclic number.

It is not a de Polignac number, because 1052865113 - 2² = 1052865109 is a prime.

It is a super-2 number, since 2×1052865113² = 2217049892345005538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1052865113.

It is not an unprimeable number, because it can be changed into a prime (1052895113) 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, 67703 + ... + 81788.

It is an arithmetic number, because the mean of its divisors is an integer number (263255412).

Almost surely, 2^1052865113 is an apocalyptic number.

It is an amenable number.

1052865113 is a deficient number, since it is larger than the sum of its proper divisors (156535).

1052865113 is an equidigital number, since it uses as much as digits as its factorization.

1052865113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156534.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 1052865113 is about 32447.8830280189. The cubic root of 1052865113 is about 1017.3199903714.

The spelling of 1052865113 in words is "one billion, fifty-two million, eight hundred sixty-five thousand, one hundred thirteen".