1048553209 has 12 divisors (see below), whose sum is σ = 1213204720. Its totient is φ = 903058200.

The previous prime is 1048553197. The next prime is 1048553257. The reversal of 1048553209 is 9023558401.

It is a de Polignac number, because none of the positive numbers 2^k-1048553209 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1048553299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225747 + ... + 230344.

Almost surely, 2^1048553209 is an apocalyptic number.

1048553209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1048553209 is a deficient number, since it is larger than the sum of its proper divisors (164651511).

1048553209 is a wasteful number, since it uses less digits than its factorization.

1048553209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456132 (or 456121 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 1048553209 is about 32381.3713267366. The cubic root of 1048553209 is about 1015.9293126803.

The spelling of 1048553209 in words is "one billion, forty-eight million, five hundred fifty-three thousand, two hundred nine".