213503452 has 24 divisors (see below), whose sum is σ = 388785600. Its totient is φ = 102465216.

The previous prime is 213503393. The next prime is 213503453. The reversal of 213503452 is 254305312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213503453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14749 + ... + 25387.

It is an arithmetic number, because the mean of its divisors is an integer number (16199400).

Almost surely, 2^213503452 is an apocalyptic number.

It is an amenable number.

213503452 is a deficient number, since it is larger than the sum of its proper divisors (175282148).

213503452 is a wasteful number, since it uses less digits than its factorization.

213503452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10845 (or 10843 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 213503452 is about 14611.7573207332. The cubic root of 213503452 is about 597.6794178834.

Adding to 213503452 its reverse (254305312), we get a palindrome (467808764).

The spelling of 213503452 in words is "two hundred thirteen million, five hundred three thousand, four hundred fifty-two".