1082807531 has 4 divisors (see below), whose sum is σ = 1166100432. Its totient is φ = 999514632.

The previous prime is 1082807521. The next prime is 1082807599. The reversal of 1082807531 is 1357082801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1357082801 = 1019 ⋅1331779.

It is a cyclic number.

It is not a de Polignac number, because 1082807531 - 2²² = 1078613227 is a prime.

It is a super-2 number, since 2×1082807531² = 2344944298380631922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1082807491 and 1082807500.

It is not an unprimeable number, because it can be changed into a prime (1082807521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41646431 + ... + 41646456.

It is an arithmetic number, because the mean of its divisors is an integer number (291525108).

Almost surely, 2^1082807531 is an apocalyptic number.

1082807531 is a deficient number, since it is larger than the sum of its proper divisors (83292901).

1082807531 is an equidigital number, since it uses as much as digits as its factorization.

1082807531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83292900.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 1082807531 is about 32906.0409499532. The cubic root of 1082807531 is about 1026.8738377226.

The spelling of 1082807531 in words is "one billion, eighty-two million, eight hundred seven thousand, five hundred thirty-one".