525812480 has 72 divisors (see below), whose sum is σ = 1264884432. Its totient is φ = 209424384.

The previous prime is 525812473. The next prime is 525812489. The reversal of 525812480 is 84218525.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 525812480.

It is not an unprimeable number, because it can be changed into a prime (525812489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353819 + ... + 355301.

Almost surely, 2^525812480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525812480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632442216).

525812480 is an abundant number, since it is smaller than the sum of its proper divisors (739071952).

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

525812480 is a wasteful number, since it uses less digits than its factorization.

525812480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781 (or 1767 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 525812480 is about 22930.6013876653. The cubic root of 525812480 is about 807.1302604272.

The spelling of 525812480 in words is "five hundred twenty-five million, eight hundred twelve thousand, four hundred eighty".