213528430 has 8 divisors (see below), whose sum is σ = 384351192. Its totient is φ = 85411368.

The previous prime is 213528391. The next prime is 213528437. The reversal of 213528430 is 34825312.

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 (213528437) 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 3 ways as a sum of consecutive naturals, for example, 10676412 + ... + 10676431.

It is an arithmetic number, because the mean of its divisors is an integer number (48043899).

Almost surely, 2^213528430 is an apocalyptic number.

213528430 is a deficient number, since it is larger than the sum of its proper divisors (170822762).

213528430 is a wasteful number, since it uses less digits than its factorization.

213528430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21352850.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 213528430 is about 14612.6120183901. The cubic root of 213528430 is about 597.7027246953.

The spelling of 213528430 in words is "two hundred thirteen million, five hundred twenty-eight thousand, four hundred thirty".