525028356 has 18 divisors (see below), whose sum is σ = 1327155102. Its totient is φ = 175009440.

The previous prime is 525028351. The next prime is 525028367. The reversal of 525028356 is 653820525.

It is a happy number.

525028356 is a `hidden beast` number, since 525 + 0 + 2 + 83 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 416160000 + 108868356 = 20400^2 + 10434^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 14584121 = 525028356 / (5 + 2 + 5 + 0 + 2 + 8 + 3 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 525028356.

It is not an unprimeable number, because it can be changed into a prime (525028351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7292025 + ... + 7292096.

It is an arithmetic number, because the mean of its divisors is an integer number (73730839).

Almost surely, 2^525028356 is an apocalyptic number.

It is an amenable number.

525028356 is an abundant number, since it is smaller than the sum of its proper divisors (802126746).

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

525028356 is a wasteful number, since it uses less digits than its factorization.

525028356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14584131 (or 14584126 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 525028356 is about 22913.4972450737. The cubic root of 525028356 is about 806.7288466818.

The spelling of 525028356 in words is "five hundred twenty-five million, twenty-eight thousand, three hundred fifty-six".