172210461 has 12 divisors (see below), whose sum is σ = 232254912. Its totient is φ = 113501344.

The previous prime is 172210447. The next prime is 172210483. The reversal of 172210461 is 164012271.

172210461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172210461 - 2¹⁰ = 172209437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172210411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20140 + ... + 27386.

It is an arithmetic number, because the mean of its divisors is an integer number (19354576).

Almost surely, 2^172210461 is an apocalyptic number.

It is an amenable number.

172210461 is a deficient number, since it is larger than the sum of its proper divisors (60044451).

172210461 is an frugal number, since it uses more digits than its factorization.

172210461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7428 (or 7339 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 172210461 is about 13122.8983460210. The cubic root of 172210461 is about 556.3565129365.

The spelling of 172210461 in words is "one hundred seventy-two million, two hundred ten thousand, four hundred sixty-one".