528274087 has 16 divisors (see below), whose sum is σ = 586051200. Its totient is φ = 472191840.

The previous prime is 528274079. The next prime is 528274111. The reversal of 528274087 is 780472825.

It is a cyclic number.

It is not a de Polignac number, because 528274087 - 2³ = 528274079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528274987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161989 + ... + 165217.

It is an arithmetic number, because the mean of its divisors is an integer number (36628200).

Almost surely, 2^528274087 is an apocalyptic number.

528274087 is a deficient number, since it is larger than the sum of its proper divisors (57777113).

528274087 is a wasteful number, since it uses less digits than its factorization.

528274087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486.

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 528274087 is about 22984.2138651728. The cubic root of 528274087 is about 808.3878349005.

The spelling of 528274087 in words is "five hundred twenty-eight million, two hundred seventy-four thousand, eighty-seven".