1054500209 has 8 divisors (see below), whose sum is σ = 1268571840. Its totient is φ = 856285776.

The previous prime is 1054500199. The next prime is 1054500211. The reversal of 1054500209 is 9020054501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1054500209 is a prime.

It is a super-2 number, since 2×1054500209² = 2223941381562087362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054500269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3964154 + ... + 3964419.

It is an arithmetic number, because the mean of its divisors is an integer number (158571480).

Almost surely, 2^1054500209 is an apocalyptic number.

1054500209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1054500209 is a deficient number, since it is larger than the sum of its proper divisors (214071631).

1054500209 is an equidigital number, since it uses as much as digits as its factorization.

1054500209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7928599.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1054500209 is about 32473.0689803104. The cubic root of 1054500209 is about 1017.8463495018.

The spelling of 1054500209 in words is "one billion, fifty-four million, five hundred thousand, two hundred nine".