525542525 has 24 divisors (see below), whose sum is σ = 685295424. Its totient is φ = 399027200.

The previous prime is 525542513. The next prime is 525542531. The reversal of 525542525 is 525245525.

It is not a de Polignac number, because 525542525 - 2²² = 521348221 is a prime.

It is a Duffinian number.

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, 71837 + ... + 78813.

It is an arithmetic number, because the mean of its divisors is an integer number (28553976).

Almost surely, 2^525542525 is an apocalyptic number.

It is an amenable number.

525542525 is a deficient number, since it is larger than the sum of its proper divisors (159752899).

525542525 is a wasteful number, since it uses less digits than its factorization.

525542525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141 (or 7136 counting only the distinct ones).

The product of its digits is 100000, while the sum is 35.

The square root of 525542525 is about 22924.7142839338. The cubic root of 525542525 is about 806.9921084200.

The spelling of 525542525 in words is "five hundred twenty-five million, five hundred forty-two thousand, five hundred twenty-five".