528507213 has 8 divisors (see below), whose sum is σ = 758882208. Its totient is φ = 325235184.

The previous prime is 528507193. The next prime is 528507253. The reversal of 528507213 is 312705825.

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

It is not a de Polignac number, because 528507213 - 2¹² = 528503117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528507253) 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, 6775695 + ... + 6775772.

It is an arithmetic number, because the mean of its divisors is an integer number (94860276).

Almost surely, 2^528507213 is an apocalyptic number.

It is an amenable number.

528507213 is a deficient number, since it is larger than the sum of its proper divisors (230374995).

528507213 is a wasteful number, since it uses less digits than its factorization.

528507213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13551483.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 528507213 is about 22989.2847431146. The cubic root of 528507213 is about 808.5067305724.

The spelling of 528507213 in words is "five hundred twenty-eight million, five hundred seven thousand, two hundred thirteen".