528870057 has 4 divisors (see below), whose sum is σ = 705160080. Its totient is φ = 352580036.

The previous prime is 528870049. The next prime is 528870059. The reversal of 528870057 is 750078825.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 528870057 - 2³ = 528870049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (528870059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88145007 + ... + 88145012.

It is an arithmetic number, because the mean of its divisors is an integer number (176290020).

Almost surely, 2^528870057 is an apocalyptic number.

It is an amenable number.

528870057 is a deficient number, since it is larger than the sum of its proper divisors (176290023).

528870057 is a wasteful number, since it uses less digits than its factorization.

528870057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176290022.

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 528870057 is about 22997.1749786794. The cubic root of 528870057 is about 808.6917136714.

The spelling of 528870057 in words is "five hundred twenty-eight million, eight hundred seventy thousand, fifty-seven".