280255075 has 6 divisors (see below), whose sum is σ = 347516324. Its totient is φ = 224204040.

The previous prime is 280255051. The next prime is 280255093. The reversal of 280255075 is 570552082.

It is not a de Polignac number, because 280255075 - 2²³ = 271866467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 280255075.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 5605077 + ... + 5605126.

Almost surely, 2^280255075 is an apocalyptic number.

280255075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

280255075 is a deficient number, since it is larger than the sum of its proper divisors (67261249).

280255075 is a wasteful number, since it uses less digits than its factorization.

280255075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11210213 (or 11210208 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 280255075 is about 16740.8206190736. The cubic root of 280255075 is about 654.4118606098.

The spelling of 280255075 in words is "two hundred eighty million, two hundred fifty-five thousand, seventy-five".