487403171 has 4 divisors (see below), whose sum is σ = 488761200. Its totient is φ = 486045144.

The previous prime is 487403149. The next prime is 487403177. The reversal of 487403171 is 171304784.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487403171 is a prime.

It is a super-2 number, since 2×487403171² = 475123702201710482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487403177) 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, 678476 + ... + 679193.

It is an arithmetic number, because the mean of its divisors is an integer number (122190300).

Almost surely, 2^487403171 is an apocalyptic number.

487403171 is a deficient number, since it is larger than the sum of its proper divisors (1358029).

487403171 is a wasteful number, since it uses less digits than its factorization.

487403171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358028.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 487403171 is about 22077.2093118673. The cubic root of 487403171 is about 786.9783472605.

The spelling of 487403171 in words is "four hundred eighty-seven million, four hundred three thousand, one hundred seventy-one".