525307980 has 48 divisors (see below), whose sum is σ = 1475931744. Its totient is φ = 139599360.

The previous prime is 525307957. The next prime is 525307987. The reversal of 525307980 is 89703525.

It is not an unprimeable number, because it can be changed into a prime (525307987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2640 + ... + 32520.

It is an arithmetic number, because the mean of its divisors is an integer number (30748578).

Almost surely, 2^525307980 is an apocalyptic number.

It is an amenable number.

525307980 is an abundant number, since it is smaller than the sum of its proper divisors (950623764).

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

525307980 is a wasteful number, since it uses less digits than its factorization.

525307980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30186 (or 30184 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 525307980 is about 22919.5981640168. The cubic root of 525307980 is about 806.8720393996.

It can be divided in two parts, 525 and 307980, that added together give a triangular number (308505 = T₇₈₅).

The spelling of 525307980 in words is "five hundred twenty-five million, three hundred seven thousand, nine hundred eighty".