481564971 has 6 divisors (see below), whose sum is σ = 695593860. Its totient is φ = 321043308.

The previous prime is 481564957. The next prime is 481564987. The reversal of 481564971 is 179465184.

481564971 is a `hidden beast` number, since 4 + 8 + 156 + 497 + 1 = 666.

It is not a de Polignac number, because 481564971 - 2⁶ = 481564907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (481564901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26753601 + ... + 26753618.

It is an arithmetic number, because the mean of its divisors is an integer number (115932310).

Almost surely, 2^481564971 is an apocalyptic number.

481564971 is a deficient number, since it is larger than the sum of its proper divisors (214028889).

481564971 is a wasteful number, since it uses less digits than its factorization.

481564971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53507225 (or 53507222 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 481564971 is about 21944.5886495965. The cubic root of 481564971 is about 783.8235293453.

The spelling of 481564971 in words is "four hundred eighty-one million, five hundred sixty-four thousand, nine hundred seventy-one".