213043524 has 48 divisors (see below), whose sum is σ = 527990400. Its totient is φ = 66628096.

The previous prime is 213043489. The next prime is 213043531. The reversal of 213043524 is 425340312.

It is a junction number, because it is equal to n+sod(n) for n = 213043494 and 213043503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71782 + ... + 74690.

It is an arithmetic number, because the mean of its divisors is an integer number (10999800).

Almost surely, 2^213043524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213043524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263995200).

213043524 is an abundant number, since it is smaller than the sum of its proper divisors (314946876).

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

213043524 is a wasteful number, since it uses less digits than its factorization.

213043524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292 (or 3290 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 213043524 is about 14596.0105508320. The cubic root of 213043524 is about 597.2499367333.

Adding to 213043524 its reverse (425340312), we get a palindrome (638383836).

It can be divided in two parts, 2130 and 43524, that added together give a palindrome (45654).

The spelling of 213043524 in words is "two hundred thirteen million, forty-three thousand, five hundred twenty-four".