213241534 has 8 divisors (see below), whose sum is σ = 348940728. Its totient is φ = 96927960.

The previous prime is 213241531. The next prime is 213241547. The reversal of 213241534 is 435142312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 213241499 and 213241508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213241531) 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, 4846377 + ... + 4846420.

It is an arithmetic number, because the mean of its divisors is an integer number (43617591).

Almost surely, 2^213241534 is an apocalyptic number.

213241534 is a deficient number, since it is larger than the sum of its proper divisors (135699194).

213241534 is a wasteful number, since it uses less digits than its factorization.

213241534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9692810.

The product of its digits is 2880, while the sum is 25.

The square root of 213241534 is about 14602.7919933142. The cubic root of 213241534 is about 597.4349143346.

Adding to 213241534 its reverse (435142312), we get a palindrome (648383846).

The spelling of 213241534 in words is "two hundred thirteen million, two hundred forty-one thousand, five hundred thirty-four".