525550025825 has 48 divisors (see below), whose sum is σ = 748820643840. Its totient is φ = 361870344000.

The previous prime is 525550025813. The next prime is 525550025827. The reversal of 525550025825 is 528520055525.

It is a happy number.

It is not a de Polignac number, because 525550025825 - 2⁶ = 525550025761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525550025827) 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, 8365280 + ... + 8427870.

It is an arithmetic number, because the mean of its divisors is an integer number (15600430080).

Almost surely, 2^525550025825 is an apocalyptic number.

525550025825 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

525550025825 is a deficient number, since it is larger than the sum of its proper divisors (223270618015).

525550025825 is a wasteful number, since it uses less digits than its factorization.

525550025825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64238 (or 64233 counting only the distinct ones).

The product of its (nonzero) digits is 1000000, while the sum is 44.

The spelling of 525550025825 in words is "five hundred twenty-five billion, five hundred fifty million, twenty-five thousand, eight hundred twenty-five".