213452 has 24 divisors (see below), whose sum is σ = 410256. Its totient is φ = 96768.

The previous prime is 213449. The next prime is 213461. The reversal of 213452 is 254312.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 213452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2888 + ... + 2960.

It is an arithmetic number, because the mean of its divisors is an integer number (17094).

2²¹³⁴⁵² is an apocalyptic number.

It is an amenable number.

213452 is a deficient number, since it is larger than the sum of its proper divisors (196804).

213452 is a wasteful number, since it uses less digits than its factorization.

213452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 135 counting only the distinct ones).

The product of its digits is 240, while the sum is 17.

The square root of 213452 is about 462.0086579275. The cubic root of 213452 is about 59.7631402622.

Adding to 213452 its reverse (254312), we get a palindrome (467764).

The spelling of 213452 in words is "two hundred thirteen thousand, four hundred fifty-two".