213225593 has 4 divisors (see below), whose sum is σ = 243686400. Its totient is φ = 182764788.

The previous prime is 213225569. The next prime is 213225631. The reversal of 213225593 is 395522312.

213225593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-213225593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213225563) 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, 15230393 + ... + 15230406.

It is an arithmetic number, because the mean of its divisors is an integer number (60921600).

Almost surely, 2^213225593 is an apocalyptic number.

It is an amenable number.

213225593 is a deficient number, since it is larger than the sum of its proper divisors (30460807).

213225593 is an equidigital number, since it uses as much as digits as its factorization.

213225593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30460806.

The product of its digits is 16200, while the sum is 32.

The square root of 213225593 is about 14602.2461628340. The cubic root of 213225593 is about 597.4200267607.

The spelling of 213225593 in words is "two hundred thirteen million, two hundred twenty-five thousand, five hundred ninety-three".