1013552065 has 4 divisors (see below), whose sum is σ = 1216262484. Its totient is φ = 810841648.

The previous prime is 1013552009. The next prime is 1013552077. The reversal of 1013552065 is 5602553101.

1013552065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5602553101 = 1069 ⋅5240929.

It can be written as a sum of positive squares in 2 ways, for example, as 102900736 + 910651329 = 10144^2 + 30177^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013552065 - 2⁷ = 1013551937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101355202 + ... + 101355211.

It is an arithmetic number, because the mean of its divisors is an integer number (304065621).

Almost surely, 2^1013552065 is an apocalyptic number.

It is an amenable number.

1013552065 is a deficient number, since it is larger than the sum of its proper divisors (202710419).

1013552065 is an equidigital number, since it uses as much as digits as its factorization.

1013552065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202710418.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1013552065 is about 31836.3324677953. The cubic root of 1013552065 is about 1004.4971007684.

The spelling of 1013552065 in words is "one billion, thirteen million, five hundred fifty-two thousand, sixty-five".