485245409 has 4 divisors (see below), whose sum is σ = 529358640. Its totient is φ = 441132180.

The previous prime is 485245379. The next prime is 485245447. The reversal of 485245409 is 904542584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 485245409 - 2¹⁶ = 485179873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485245459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22056599 + ... + 22056620.

It is an arithmetic number, because the mean of its divisors is an integer number (132339660).

Almost surely, 2^485245409 is an apocalyptic number.

It is an amenable number.

485245409 is a deficient number, since it is larger than the sum of its proper divisors (44113231).

485245409 is a wasteful number, since it uses less digits than its factorization.

485245409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44113230.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 485245409 is about 22028.2865652324. The cubic root of 485245409 is about 785.8152963989.

The spelling of 485245409 in words is "four hundred eighty-five million, two hundred forty-five thousand, four hundred nine".