525404525 has 48 divisors (see below), whose sum is σ = 701205120. Its totient is φ = 389664000.

The previous prime is 525404521. The next prime is 525404543.

525404525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 525404525 - 2² = 525404521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 525404491 and 525404500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525404521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4820171 + ... + 4820279.

It is an arithmetic number, because the mean of its divisors is an integer number (14608440).

Almost surely, 2^525404525 is an apocalyptic number.

It is an amenable number.

525404525 is a deficient number, since it is larger than the sum of its proper divisors (175800595).

525404525 is a wasteful number, since it uses less digits than its factorization.

525404525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 525404525 is about 22921.7042341969. The cubic root of 525404525 is about 806.9214673493.

Adding to 525404525 its product of nonzero digits (40000), we get a palindrome (525444525).

The spelling of 525404525 in words is "five hundred twenty-five million, four hundred four thousand, five hundred twenty-five".