525300420 has 48 divisors (see below), whose sum is σ = 1476478080. Its totient is φ = 139543296.

The previous prime is 525300407. The next prime is 525300421. The reversal of 525300420 is 24003525.

It is not an unprimeable number, because it can be changed into a prime (525300421) 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 15 ways as a sum of consecutive naturals, for example, 865 + ... + 32424.

It is an arithmetic number, because the mean of its divisors is an integer number (30759960).

Almost surely, 2^525300420 is an apocalyptic number.

It is an amenable number.

525300420 is an abundant number, since it is smaller than the sum of its proper divisors (951177660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525300420 is a wasteful number, since it uses less digits than its factorization.

525300420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33564 (or 33562 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 525300420 is about 22919.4332390659. The cubic root of 525300420 is about 806.8681686659.

Adding to 525300420 its reverse (24003525), we get a palindrome (549303945).

The spelling of 525300420 in words is "five hundred twenty-five million, three hundred thousand, four hundred twenty".