525222525 has 24 divisors (see below), whose sum is σ = 871032544. Its totient is φ = 279259200.

The previous prime is 525222479. The next prime is 525222539.

525222525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 525222525 - 2¹⁵ = 525189757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525222492 and 525222501.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 14247 + ... + 35403.

Almost surely, 2^525222525 is an apocalyptic number.

It is an amenable number.

525222525 is a deficient number, since it is larger than the sum of its proper divisors (345810019).

525222525 is a wasteful number, since it uses less digits than its factorization.

525222525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21501 (or 21496 counting only the distinct ones).

The product of its digits is 20000, while the sum is 30.

The square root of 525222525 is about 22917.7338539394. The cubic root of 525222525 is about 806.8282841221.

Adding to 525222525 its product of digits (20000), we get a palindrome (525242525).

Subtracting from 525222525 its product of digits (20000), we obtain a palindrome (525202525).

The spelling of 525222525 in words is "five hundred twenty-five million, two hundred twenty-two thousand, five hundred twenty-five".