528475307 has 4 divisors (see below), whose sum is σ = 528882816. Its totient is φ = 528067800.

The previous prime is 528475279. The next prime is 528475333. The reversal of 528475307 is 703574825.

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

It is a cyclic number.

It is not a de Polignac number, because 528475307 - 2¹⁰ = 528474283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528475907) 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, 201803 + ... + 204404.

It is an arithmetic number, because the mean of its divisors is an integer number (132220704).

Almost surely, 2^528475307 is an apocalyptic number.

528475307 is a deficient number, since it is larger than the sum of its proper divisors (407509).

528475307 is a wasteful number, since it uses less digits than its factorization.

528475307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407508.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 528475307 is about 22988.5908006559. The cubic root of 528475307 is about 808.4904603845.

The spelling of 528475307 in words is "five hundred twenty-eight million, four hundred seventy-five thousand, three hundred seven".