213300172 has 12 divisors (see below), whose sum is σ = 373380336. Its totient is φ = 106620080.

The previous prime is 213300161. The next prime is 213300179. The reversal of 213300172 is 271003312.

It is not an unprimeable number, because it can be changed into a prime (213300179) 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, 18522 + ... + 27742.

It is an arithmetic number, because the mean of its divisors is an integer number (31115028).

Almost surely, 2^213300172 is an apocalyptic number.

It is an amenable number.

213300172 is a deficient number, since it is larger than the sum of its proper divisors (160080164).

213300172 is a wasteful number, since it uses less digits than its factorization.

213300172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15008 (or 15006 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 213300172 is about 14604.7996220421. The cubic root of 213300172 is about 597.4896709873.

Adding to 213300172 its reverse (271003312), we get a palindrome (484303484).

The spelling of 213300172 in words is "two hundred thirteen million, three hundred thousand, one hundred seventy-two".