485204209 has 16 divisors (see below), whose sum is σ = 575850240. Its totient is φ = 400170240.

The previous prime is 485204207. The next prime is 485204227. The reversal of 485204209 is 902402584.

It is a cyclic number.

It is not a de Polignac number, because 485204209 - 2¹ = 485204207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (485204207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9372 + ... + 32530.

It is an arithmetic number, because the mean of its divisors is an integer number (35990640).

Almost surely, 2^485204209 is an apocalyptic number.

It is an amenable number.

485204209 is a deficient number, since it is larger than the sum of its proper divisors (90646031).

485204209 is a wasteful number, since it uses less digits than its factorization.

485204209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23280.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 485204209 is about 22027.3513841315. The cubic root of 485204209 is about 785.7930557581.

The spelling of 485204209 in words is "four hundred eighty-five million, two hundred four thousand, two hundred nine".