485505047 has 4 divisors (see below), whose sum is σ = 486586800. Its totient is φ = 484423296.

The previous prime is 485505019. The next prime is 485505061. The reversal of 485505047 is 740505584.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 485505047 - 2¹⁰ = 485504023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 485505047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485505017) 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, 540203 + ... + 541100.

It is an arithmetic number, because the mean of its divisors is an integer number (121646700).

Almost surely, 2^485505047 is an apocalyptic number.

485505047 is a deficient number, since it is larger than the sum of its proper divisors (1081753).

485505047 is a wasteful number, since it uses less digits than its factorization.

485505047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081752.

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 485505047 is about 22034.1790634460. The cubic root of 485505047 is about 785.9554255855.

The spelling of 485505047 in words is "four hundred eighty-five million, five hundred five thousand, forty-seven".