472004161 has 4 divisors (see below), whose sum is σ = 472485312. Its totient is φ = 471523012.

The previous prime is 472004147. The next prime is 472004173. The reversal of 472004161 is 161400274.

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 472004161 - 2⁵ = 472004129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472004111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239101 + ... + 241066.

It is an arithmetic number, because the mean of its divisors is an integer number (118121328).

Almost surely, 2^472004161 is an apocalyptic number.

It is an amenable number.

472004161 is a deficient number, since it is larger than the sum of its proper divisors (481151).

472004161 is an equidigital number, since it uses as much as digits as its factorization.

472004161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481150.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 472004161 is about 21725.6567449640. The cubic root of 472004161 is about 778.6015711281.

The spelling of 472004161 in words is "four hundred seventy-two million, four thousand, one hundred sixty-one".