528521313 has 8 divisors (see below), whose sum is σ = 746147808. Its totient is φ = 331621184.

The previous prime is 528521303. The next prime is 528521369. The reversal of 528521313 is 313125825.

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 528521313 - 2⁹ = 528520801 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (528521303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5181531 + ... + 5181632.

It is an arithmetic number, because the mean of its divisors is an integer number (93268476).

Almost surely, 2^528521313 is an apocalyptic number.

It is an amenable number.

528521313 is a deficient number, since it is larger than the sum of its proper divisors (217626495).

528521313 is a wasteful number, since it uses less digits than its factorization.

528521313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10363183.

The product of its digits is 7200, while the sum is 30.

The square root of 528521313 is about 22989.5914056775. The cubic root of 528521313 is about 808.5139205364.

The spelling of 528521313 in words is "five hundred twenty-eight million, five hundred twenty-one thousand, three hundred thirteen".