525525103 has 4 divisors (see below), whose sum is σ = 526338000. Its totient is φ = 524712208.

The previous prime is 525525089. The next prime is 525525127. The reversal of 525525103 is 301525525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 525525103 - 2¹⁷ = 525394031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525525163) 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 3 ways as a sum of consecutive naturals, for example, 405478 + ... + 406771.

It is an arithmetic number, because the mean of its divisors is an integer number (131584500).

Almost surely, 2^525525103 is an apocalyptic number.

525525103 is a deficient number, since it is larger than the sum of its proper divisors (812897).

525525103 is an equidigital number, since it uses as much as digits as its factorization.

525525103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812896.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 525525103 is about 22924.3342978591. The cubic root of 525525103 is about 806.9831909229.

The spelling of 525525103 in words is "five hundred twenty-five million, five hundred twenty-five thousand, one hundred three".