1082065657 has 4 divisors (see below), whose sum is σ = 1145716596. Its totient is φ = 1018414720.

The previous prime is 1082065651. The next prime is 1082065669. The reversal of 1082065657 is 7565602801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7565602801 = 6529 ⋅1158769.

It can be written as a sum of positive squares in 2 ways, for example, as 984767161 + 97298496 = 31381^2 + 9864^2 .

It is a cyclic number.

It is not a de Polignac number, because 1082065657 - 2²³ = 1073677049 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1082065651) 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, 31825444 + ... + 31825477.

It is an arithmetic number, because the mean of its divisors is an integer number (286429149).

Almost surely, 2^1082065657 is an apocalyptic number.

1082065657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1082065657 is a deficient number, since it is larger than the sum of its proper divisors (63650939).

1082065657 is an equidigital number, since it uses as much as digits as its factorization.

1082065657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63650938.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 1082065657 is about 32894.7664074393. The cubic root of 1082065657 is about 1026.6392669338.

The spelling of 1082065657 in words is "one billion, eighty-two million, sixty-five thousand, six hundred fifty-seven".