525300028 has 36 divisors (see below), whose sum is σ = 1015659288. Its totient is φ = 235759840.

The previous prime is 525300001. The next prime is 525300029. The reversal of 525300028 is 820003525.

It is a junction number, because it is equal to n+sod(n) for n = 525299975 and 525300011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525300029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302250 + ... + 303982.

It is an arithmetic number, because the mean of its divisors is an integer number (28212758).

Almost surely, 2^525300028 is an apocalyptic number.

It is an amenable number.

525300028 is a deficient number, since it is larger than the sum of its proper divisors (490359260).

525300028 is a wasteful number, since it uses less digits than its factorization.

525300028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914 (or 1829 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 525300028 is about 22919.4246873694. The cubic root of 525300028 is about 806.8679679602.

The spelling of 525300028 in words is "five hundred twenty-five million, three hundred thousand, twenty-eight".