1082557 has 6 divisors (see below), whose sum is σ = 1259358. Its totient is φ = 927864.

The previous prime is 1082533. The next prime is 1082573. The reversal of 1082557 is 7552801.

It can be written as a sum of positive squares in only one way, i.e., 1058841 + 23716 = 1029^2 + 154^2 .

It is not a de Polignac number, because 1082557 - 2⁷ = 1082429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10998 + ... + 11095.

It is an arithmetic number, because the mean of its divisors is an integer number (209893).

2^1082557 is an apocalyptic number.

It is an amenable number.

1082557 is a deficient number, since it is larger than the sum of its proper divisors (176801).

1082557 is an equidigital number, since it uses as much as digits as its factorization.

1082557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22107 (or 22100 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 1082557 is about 1040.4599944255. The cubic root of 1082557 is about 102.6794635105.

The spelling of 1082557 in words is "one million, eighty-two thousand, five hundred fifty-seven".