525550025 has 48 divisors (see below), whose sum is σ = 875027328. Its totient is φ = 302400000.

The previous prime is 525549991. The next prime is 525550043. The reversal of 525550025 is 520055525.

It is a happy number.

It is not a de Polignac number, because 525550025 - 2⁸ = 525549769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525550025.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14525 + ... + 35525.

It is an arithmetic number, because the mean of its divisors is an integer number (18229736).

Almost surely, 2^525550025 is an apocalyptic number.

525550025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

525550025 is a deficient number, since it is larger than the sum of its proper divisors (349477303).

525550025 is a wasteful number, since it uses less digits than its factorization.

525550025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21042 (or 21037 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 525550025 is about 22924.8778622701. The cubic root of 525550025 is about 806.9959472543.

It can be divided in two parts, 5255500 and 25, that added together give a palindrome (5255525).

The spelling of 525550025 in words is "five hundred twenty-five million, five hundred fifty thousand, twenty-five".