1083405249 has 6 divisors (see below), whose sum is σ = 1564918706. Its totient is φ = 722270160.

The previous prime is 1083405247. The next prime is 1083405293. The reversal of 1083405249 is 9425043801.

1083405249 is a `hidden beast` number, since 1 + 0 + 8 + 3 + 405 + 249 = 666.

It can be written as a sum of positive squares in only one way, i.e., 872139024 + 211266225 = 29532^2 + 14535^2 .

It is not a de Polignac number, because 1083405249 - 2¹ = 1083405247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1083405247) 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 5 ways as a sum of consecutive naturals, for example, 60189172 + ... + 60189189.

Almost surely, 2^1083405249 is an apocalyptic number.

It is an amenable number.

1083405249 is a deficient number, since it is larger than the sum of its proper divisors (481513457).

1083405249 is a wasteful number, since it uses less digits than its factorization.

1083405249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120378367 (or 120378364 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1083405249 is about 32915.1218894902. The cubic root of 1083405249 is about 1027.0627503583.

The spelling of 1083405249 in words is "one billion, eighty-three million, four hundred five thousand, two hundred forty-nine".