1082673821 has 2 divisors, whose sum is σ = 1082673822. Its totient is φ = 1082673820.

The previous prime is 1082673797. The next prime is 1082673881. The reversal of 1082673821 is 1283762801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748296025 + 334377796 = 27355^2 + 18286^2 .

It is a cyclic number.

It is not a de Polignac number, because 1082673821 - 2¹⁸ = 1082411677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1082673881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541336910 + 541336911.

It is an arithmetic number, because the mean of its divisors is an integer number (541336911).

Almost surely, 2^1082673821 is an apocalyptic number.

It is an amenable number.

1082673821 is a deficient number, since it is larger than the sum of its proper divisors (1).

1082673821 is an equidigital number, since it uses as much as digits as its factorization.

1082673821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1082673821 is about 32904.0091934099. The cubic root of 1082673821 is about 1026.8315682983.

The spelling of 1082673821 in words is "one billion, eighty-two million, six hundred seventy-three thousand, eight hundred twenty-one".