213343252 has 12 divisors (see below), whose sum is σ = 375414676. Its totient is φ = 106081920.

The previous prime is 213343243. The next prime is 213343261. The reversal of 213343252 is 252343312.

213343252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213343243) and next prime (213343261).

It can be written as a sum of positive squares in 2 ways, for example, as 11532816 + 201810436 = 3396^2 + 14206^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146613 + ... + 148060.

Almost surely, 2^213343252 is an apocalyptic number.

It is an amenable number.

213343252 is a deficient number, since it is larger than the sum of its proper divisors (162071424).

213343252 is a wasteful number, since it uses less digits than its factorization.

213343252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294858 (or 294856 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 213343252 is about 14606.2744052000. The cubic root of 213343252 is about 597.5298930558.

Adding to 213343252 its reverse (252343312), we get a palindrome (465686564).

The spelling of 213343252 in words is "two hundred thirteen million, three hundred forty-three thousand, two hundred fifty-two".