528513133 has 4 divisors (see below), whose sum is σ = 533961820. Its totient is φ = 523064448.

The previous prime is 528513121. The next prime is 528513151. The reversal of 528513133 is 331315825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 154206724 + 374306409 = 12418^2 + 19347^2 .

It is a cyclic number.

It is not a de Polignac number, because 528513133 - 2¹³ = 528504941 is a prime.

It is a super-2 number, since 2×528513133² = 558652263506951378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 528513095 and 528513104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528513163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2724198 + ... + 2724391.

It is an arithmetic number, because the mean of its divisors is an integer number (133490455).

Almost surely, 2^528513133 is an apocalyptic number.

It is an amenable number.

528513133 is a deficient number, since it is larger than the sum of its proper divisors (5448687).

528513133 is an equidigital number, since it uses as much as digits as its factorization.

528513133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5448686.

The product of its digits is 10800, while the sum is 31.

The square root of 528513133 is about 22989.4134983909. The cubic root of 528513133 is about 808.5097493530.

Adding to 528513133 its reverse (331315825), we get a palindrome (859828958).

The spelling of 528513133 in words is "five hundred twenty-eight million, five hundred thirteen thousand, one hundred thirty-three".