213303528 has 24 divisors (see below), whose sum is σ = 577697250. Its totient is φ = 71101152.

The previous prime is 213303527. The next prime is 213303533. The reversal of 213303528 is 825303312.

213303528 is a `hidden beast` number, since 2 + 133 + 0 + 3 + 528 = 666.

It can be written as a sum of positive squares in only one way, i.e., 119639844 + 93663684 = 10938^2 + 9678^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (213303527) 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 5 ways as a sum of consecutive naturals, for example, 1481203 + ... + 1481346.

Almost surely, 2^213303528 is an apocalyptic number.

It is an amenable number.

213303528 is an abundant number, since it is smaller than the sum of its proper divisors (364393722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213303528 is a wasteful number, since it uses less digits than its factorization.

213303528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962561 (or 2962554 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 213303528 is about 14604.9145153267. The cubic root of 213303528 is about 597.4928045445.

The spelling of 213303528 in words is "two hundred thirteen million, three hundred three thousand, five hundred twenty-eight".