485571187 has 4 divisors (see below), whose sum is σ = 514134216. Its totient is φ = 457008160.

The previous prime is 485571169. The next prime is 485571211. The reversal of 485571187 is 781175584.

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 485571187 - 2²³ = 477182579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485571137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14281489 + ... + 14281522.

It is an arithmetic number, because the mean of its divisors is an integer number (128533554).

Almost surely, 2^485571187 is an apocalyptic number.

485571187 is a deficient number, since it is larger than the sum of its proper divisors (28563029).

485571187 is a wasteful number, since it uses less digits than its factorization.

485571187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28563028.

The product of its digits is 313600, while the sum is 46.

The square root of 485571187 is about 22035.6798624413. The cubic root of 485571187 is about 785.9911140106.

The spelling of 485571187 in words is "four hundred eighty-five million, five hundred seventy-one thousand, one hundred eighty-seven".