1083405803 has 2 divisors, whose sum is σ = 1083405804. Its totient is φ = 1083405802.

The previous prime is 1083405797. The next prime is 1083405833. The reversal of 1083405803 is 3085043801.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1083405803 - 2¹⁶ = 1083340267 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1083405803.

It is not a weakly prime, because it can be changed into another prime (1083405833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541702901 + 541702902.

It is an arithmetic number, because the mean of its divisors is an integer number (541702902).

Almost surely, 2^1083405803 is an apocalyptic number.

1083405803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083405803 is an equidigital number, since it uses as much as digits as its factorization.

1083405803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1083405803 is about 32915.1303050740. The cubic root of 1083405803 is about 1027.0629254213.

The spelling of 1083405803 in words is "one billion, eighty-three million, four hundred five thousand, eight hundred three".