1082785553 has 2 divisors, whose sum is σ = 1082785554. Its totient is φ = 1082785552.

The previous prime is 1082785541. The next prime is 1082785591. The reversal of 1082785553 is 3555872801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 859193344 + 223592209 = 29312^2 + 14953^2 .

It is a cyclic number.

It is not a de Polignac number, because 1082785553 - 2¹² = 1082781457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1082785153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541392776 + 541392777.

It is an arithmetic number, because the mean of its divisors is an integer number (541392777).

Almost surely, 2^1082785553 is an apocalyptic number.

It is an amenable number.

1082785553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1082785553 is an equidigital number, since it uses as much as digits as its factorization.

1082785553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336000, while the sum is 44.

The square root of 1082785553 is about 32905.7069974192. The cubic root of 1082785553 is about 1026.8668901087.

The spelling of 1082785553 in words is "one billion, eighty-two million, seven hundred eighty-five thousand, five hundred fifty-three".