213528963 has 8 divisors (see below), whose sum is σ = 285840576. Its totient is φ = 141785000.

The previous prime is 213528947. The next prime is 213528971. The reversal of 213528963 is 369825312.

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

It is a cyclic number.

It is not a de Polignac number, because 213528963 - 2⁴ = 213528947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213528923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141033 + ... + 142538.

It is an arithmetic number, because the mean of its divisors is an integer number (35730072).

Almost surely, 2^213528963 is an apocalyptic number.

213528963 is a deficient number, since it is larger than the sum of its proper divisors (72311613).

213528963 is a wasteful number, since it uses less digits than its factorization.

213528963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283825.

The product of its digits is 77760, while the sum is 39.

The square root of 213528963 is about 14612.6302560490. The cubic root of 213528963 is about 597.7032220144.

The spelling of 213528963 in words is "two hundred thirteen million, five hundred twenty-eight thousand, nine hundred sixty-three".