213425652 has 24 divisors (see below), whose sum is σ = 543265632. Its totient is φ = 64674400.

The previous prime is 213425621. The next prime is 213425677. The reversal of 213425652 is 256524312.

It is a congruent number.

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, 808299 + ... + 808562.

It is an arithmetic number, because the mean of its divisors is an integer number (22636068).

Almost surely, 2^213425652 is an apocalyptic number.

213425652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213425652 is an abundant number, since it is smaller than the sum of its proper divisors (329839980).

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

213425652 is a wasteful number, since it uses less digits than its factorization.

213425652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616879 (or 1616877 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 213425652 is about 14609.0948384902. The cubic root of 213425652 is about 597.6068115508.

Adding to 213425652 its reverse (256524312), we get a palindrome (469949964).

The spelling of 213425652 in words is "two hundred thirteen million, four hundred twenty-five thousand, six hundred fifty-two".