471673636225 has 27 divisors (see below), whose sum is σ = 642930959811. Its totient is φ = 343007900400.

The previous prime is 471673636219. The next prime is 471673636241. The reversal of 471673636225 is 522636376174.

The square root of 471673636225 is 686785.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 169802509041 + 301871127184 = 412071^2 + 549428^2 .

It is not a de Polignac number, because 471673636225 - 2⁵ = 471673636193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 37766932 + ... + 37779418.

Almost surely, 2^471673636225 is an apocalyptic number.

471673636225 is the 686785-th square number.

471673636225 is the 343393-rd centered octagonal number.

It is an amenable number.

471673636225 is a deficient number, since it is larger than the sum of its proper divisors (171257323586).

471673636225 is an frugal number, since it uses more digits than its factorization.

471673636225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25006 (or 12503 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 52.

The spelling of 471673636225 in words is "four hundred seventy-one billion, six hundred seventy-three million, six hundred thirty-six thousand, two hundred twenty-five".