280841063 has 16 divisors (see below), whose sum is σ = 302025216. Its totient is φ = 260457120.

The previous prime is 280841009. The next prime is 280841083. The reversal of 280841063 is 360148082.

It is a cyclic number.

It is not a de Polignac number, because 280841063 - 2⁶ = 280840999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280841083) 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, 444758 + ... + 445388.

It is an arithmetic number, because the mean of its divisors is an integer number (18876576).

Almost surely, 2^280841063 is an apocalyptic number.

280841063 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

280841063 is a deficient number, since it is larger than the sum of its proper divisors (21184153).

280841063 is a wasteful number, since it uses less digits than its factorization.

280841063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 280841063 is about 16758.3132504438. The cubic root of 280841063 is about 654.8676484133.

The spelling of 280841063 in words is "two hundred eighty million, eight hundred forty-one thousand, sixty-three".