525323525 has 12 divisors (see below), whose sum is σ = 653278500. Its totient is φ = 419047680.

The previous prime is 525323503. The next prime is 525323527.

It is a happy number.

525323525 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 6 ways, for example, as 81252196 + 444071329 = 9014^2 + 21073^2 .

It is not a de Polignac number, because 525323525 - 2⁸ = 525323269 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 525323491 and 525323500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525323527) 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 11 ways as a sum of consecutive naturals, for example, 21380 + ... + 38829.

It is an arithmetic number, because the mean of its divisors is an integer number (54439875).

Almost surely, 2^525323525 is an apocalyptic number.

It is an amenable number.

525323525 is a deficient number, since it is larger than the sum of its proper divisors (127954975).

525323525 is a wasteful number, since it uses less digits than its factorization.

525323525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60568 (or 60563 counting only the distinct ones).

The product of its digits is 45000, while the sum is 32.

The square root of 525323525 is about 22919.9372817641. The cubic root of 525323525 is about 806.8799983511.

The spelling of 525323525 in words is "five hundred twenty-five million, three hundred twenty-three thousand, five hundred twenty-five".