528972255 has 128 divisors (see below), whose sum is σ = 1198540800. Its totient is φ = 215488512.

The previous prime is 528972253. The next prime is 528972271. The reversal of 528972255 is 552279825.

528972255 is a `hidden beast` number, since 528 + 9 + 72 + 2 + 55 = 666.

It is not a de Polignac number, because 528972255 - 2¹ = 528972253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 528972255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528972253) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 304369 + ... + 306101.

It is an arithmetic number, because the mean of its divisors is an integer number (9363600).

Almost surely, 2^528972255 is an apocalyptic number.

528972255 is an abundant number, since it is smaller than the sum of its proper divisors (669568545).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

528972255 is a wasteful number, since it uses less digits than its factorization.

528972255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790 (or 1784 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 528972255 is about 22999.3968399173. The cubic root of 528972255 is about 808.7438004123.

The spelling of 528972255 in words is "five hundred twenty-eight million, nine hundred seventy-two thousand, two hundred fifty-five".