213551324 has 12 divisors (see below), whose sum is σ = 427102704. Its totient is φ = 91521984.

The previous prime is 213551321. The next prime is 213551333. The reversal of 213551324 is 423155312.

It is a happy number.

213551324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

213551324 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 213551293 and 213551302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213551321) 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, 3813389 + ... + 3813444.

It is an arithmetic number, because the mean of its divisors is an integer number (35591892).

Almost surely, 2^213551324 is an apocalyptic number.

It is an amenable number.

213551324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213551324 is a wasteful number, since it uses less digits than its factorization.

213551324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626844 (or 7626842 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 213551324 is about 14613.3953617905. The cubic root of 213551324 is about 597.7240853437.

The spelling of 213551324 in words is "two hundred thirteen million, five hundred fifty-one thousand, three hundred twenty-four".