1065520653 has 8 divisors (see below), whose sum is σ = 1435340928. Its totient is φ = 703023744.

The previous prime is 1065520619. The next prime is 1065520661. The reversal of 1065520653 is 3560255601.

1065520653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1065520653 - 2¹⁶ = 1065455117 is a prime.

It is a super-2 number, since 2×1065520653² = 2270668523939092818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065520663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1830501 + ... + 1831082.

It is an arithmetic number, because the mean of its divisors is an integer number (179417616).

Almost surely, 2^1065520653 is an apocalyptic number.

It is an amenable number.

1065520653 is a deficient number, since it is larger than the sum of its proper divisors (369820275).

1065520653 is an equidigital number, since it uses as much as digits as its factorization.

1065520653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661683.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 1065520653 is about 32642.3138426184. The cubic root of 1065520653 is about 1021.3798616165.

The spelling of 1065520653 in words is "one billion, sixty-five million, five hundred twenty thousand, six hundred fifty-three".