1065675557 has 4 divisors (see below), whose sum is σ = 1102423020. Its totient is φ = 1028928096.

The previous prime is 1065675521. The next prime is 1065675563. The reversal of 1065675557 is 7555765601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 508998721 + 556676836 = 22561^2 + 23594^2 .

It is a cyclic number.

It is not a de Polignac number, because 1065675557 - 2¹² = 1065671461 is a prime.

It is a super-2 number, since 2×1065675557² = 2271328785574520498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065675577) 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 3 ways as a sum of consecutive naturals, for example, 18373688 + ... + 18373745.

It is an arithmetic number, because the mean of its divisors is an integer number (275605755).

Almost surely, 2^1065675557 is an apocalyptic number.

It is an amenable number.

1065675557 is a deficient number, since it is larger than the sum of its proper divisors (36747463).

1065675557 is an equidigital number, since it uses as much as digits as its factorization.

1065675557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36747462.

The product of its (nonzero) digits is 1102500, while the sum is 47.

The square root of 1065675557 is about 32644.6865048510. The cubic root of 1065675557 is about 1021.4293548413.

The spelling of 1065675557 in words is "one billion, sixty-five million, six hundred seventy-five thousand, five hundred fifty-seven".