525120211 has 12 divisors (see below), whose sum is σ = 666387000. Its totient is φ = 409184160.

The previous prime is 525120179. The next prime is 525120227. The reversal of 525120211 is 112021525.

It is not a de Polignac number, because 525120211 - 2⁵ = 525120179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525120511) 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, 486586 + ... + 487663.

It is an arithmetic number, because the mean of its divisors is an integer number (55532250).

Almost surely, 2^525120211 is an apocalyptic number.

525120211 is a deficient number, since it is larger than the sum of its proper divisors (141266789).

525120211 is a wasteful number, since it uses less digits than its factorization.

525120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974274 (or 974267 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 525120211 is about 22915.5015437149. The cubic root of 525120211 is about 806.7758903359.

Adding to 525120211 its reverse (112021525), we get a palindrome (637141736).

The spelling of 525120211 in words is "five hundred twenty-five million, one hundred twenty thousand, two hundred eleven".