528308033 has 4 divisors (see below), whose sum is σ = 576336048. Its totient is φ = 480280020.

The previous prime is 528308023. The next prime is 528308041. The reversal of 528308033 is 330803825.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 528308033 - 2⁴ = 528308017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528308023) 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, 24013991 + ... + 24014012.

It is an arithmetic number, because the mean of its divisors is an integer number (144084012).

Almost surely, 2^528308033 is an apocalyptic number.

It is an amenable number.

528308033 is a deficient number, since it is larger than the sum of its proper divisors (48028015).

528308033 is a wasteful number, since it uses less digits than its factorization.

528308033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48028014.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 528308033 is about 22984.9523166788. The cubic root of 528308033 is about 808.4051497417.

The spelling of 528308033 in words is "five hundred twenty-eight million, three hundred eight thousand, thirty-three".