528475447 has 4 divisors (see below), whose sum is σ = 559562256. Its totient is φ = 497388640.

The previous prime is 528475433. The next prime is 528475457. The reversal of 528475447 is 744574825.

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 528475447 - 2¹⁵ = 528442679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 528475397 and 528475406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528475427) 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, 15543379 + ... + 15543412.

It is an arithmetic number, because the mean of its divisors is an integer number (139890564).

Almost surely, 2^528475447 is an apocalyptic number.

528475447 is a deficient number, since it is larger than the sum of its proper divisors (31086809).

528475447 is a wasteful number, since it uses less digits than its factorization.

528475447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31086808.

The product of its digits is 1254400, while the sum is 46.

The square root of 528475447 is about 22988.5938456444. The cubic root of 528475447 is about 808.4905317777.

The spelling of 528475447 in words is "five hundred twenty-eight million, four hundred seventy-five thousand, four hundred forty-seven".