280525060 has 24 divisors (see below), whose sum is σ = 596203776. Its totient is φ = 110857440.

The previous prime is 280525039. The next prime is 280525061. The reversal of 280525060 is 60525082.

It is not an unprimeable number, because it can be changed into a prime (280525061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82836 + ... + 86155.

It is an arithmetic number, because the mean of its divisors is an integer number (24841824).

Almost surely, 2^280525060 is an apocalyptic number.

280525060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

280525060 is an abundant number, since it is smaller than the sum of its proper divisors (315678716).

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

280525060 is a wasteful number, since it uses less digits than its factorization.

280525060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169083 (or 169081 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 280525060 is about 16748.8823507719. The cubic root of 280525060 is about 654.6219367115.

The spelling of 280525060 in words is "two hundred eighty million, five hundred twenty-five thousand, sixty".