213528902 has 8 divisors (see below), whose sum is σ = 328105512. Its totient is φ = 104160400.

The previous prime is 213528829. The next prime is 213528907. The reversal of 213528902 is 209825312.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213528907) 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 3 ways as a sum of consecutive naturals, for example, 1301924 + ... + 1302087.

It is an arithmetic number, because the mean of its divisors is an integer number (41013189).

Almost surely, 2^213528902 is an apocalyptic number.

213528902 is a deficient number, since it is larger than the sum of its proper divisors (114576610).

213528902 is a wasteful number, since it uses less digits than its factorization.

213528902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604054.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 213528902 is about 14612.6281688134. The cubic root of 213528902 is about 597.7031650980.

The spelling of 213528902 in words is "two hundred thirteen million, five hundred twenty-eight thousand, nine hundred two".