525680000 has 80 divisors (see below), whose sum is σ = 1308846660. Its totient is φ = 210240000.

The previous prime is 525679997. The next prime is 525680027. The reversal of 525680000 is 86525.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 76715 + ... + 83285.

Almost surely, 2^525680000 is an apocalyptic number.

525680000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654423330).

525680000 is an abundant number, since it is smaller than the sum of its proper divisors (783166660).

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

525680000 is an frugal number, since it uses more digits than its factorization.

525680000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6605 (or 6578 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 525680000 is about 22927.7124894744. The cubic root of 525680000 is about 807.0624684528.

The spelling of 525680000 in words is "five hundred twenty-five million, six hundred eighty thousand".