1057583609 has 4 divisors (see below), whose sum is σ = 1064072016. Its totient is φ = 1051095204.

The previous prime is 1057583599. The next prime is 1057583627. The reversal of 1057583609 is 9063857501.

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: 9063857501 = 1583 ⋅5725747.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1057583609 is a prime.

It is a super-2 number, since 2×1057583609² = 2236966180050929762, 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 1057583609.

It is not an unprimeable number, because it can be changed into a prime (1057583669) 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, 3243959 + ... + 3244284.

It is an arithmetic number, because the mean of its divisors is an integer number (266018004).

Almost surely, 2^1057583609 is an apocalyptic number.

It is an amenable number.

1057583609 is a deficient number, since it is larger than the sum of its proper divisors (6488407).

1057583609 is an equidigital number, since it uses as much as digits as its factorization.

1057583609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6488406.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 1057583609 is about 32520.5105894726. The cubic root of 1057583609 is about 1018.8374583403.

The spelling of 1057583609 in words is "one billion, fifty-seven million, five hundred eighty-three thousand, six hundred nine".