525530823 has 16 divisors (see below), whose sum is σ = 744756480. Its totient is φ = 328688064.

The previous prime is 525530807. The next prime is 525530827. The reversal of 525530823 is 328035525.

It is not a de Polignac number, because 525530823 - 2⁴ = 525530807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525530827) 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, 38886 + ... + 50627.

It is an arithmetic number, because the mean of its divisors is an integer number (46547280).

Almost surely, 2^525530823 is an apocalyptic number.

525530823 is a deficient number, since it is larger than the sum of its proper divisors (219225657).

525530823 is a wasteful number, since it uses less digits than its factorization.

525530823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89638.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 525530823 is about 22924.4590557771. The cubic root of 525530823 is about 806.9861187418.

The spelling of 525530823 in words is "five hundred twenty-five million, five hundred thirty thousand, eight hundred twenty-three".