1052521113 has 16 divisors (see below), whose sum is σ = 1618559360. Its totient is φ = 595921536.

The previous prime is 1052521109. The next prime is 1052521121. The reversal of 1052521113 is 3111252501.

It is not a de Polignac number, because 1052521113 - 2² = 1052521109 is a prime.

It is a super-2 number, since 2×1052521113² = 2215601386621517538, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 1052521113.

It is not an unprimeable number, because it can be changed into a prime (1052521133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227620 + ... + 232197.

It is an arithmetic number, because the mean of its divisors is an integer number (101159960).

Almost surely, 2^1052521113 is an apocalyptic number.

It is an amenable number.

1052521113 is a deficient number, since it is larger than the sum of its proper divisors (566038247).

1052521113 is a wasteful number, since it uses less digits than its factorization.

1052521113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459936.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1052521113 is about 32442.5817869047. The cubic root of 1052521113 is about 1017.2091828257.

Adding to 1052521113 its reverse (3111252501), we get a palindrome (4163773614).

The spelling of 1052521113 in words is "one billion, fifty-two million, five hundred twenty-one thousand, one hundred thirteen".