280967 has 2 divisors, whose sum is σ = 280968. Its totient is φ = 280966.

The previous prime is 280963. The next prime is 280979. The reversal of 280967 is 769082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 280967 - 2² = 280963 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 280967.

It is not a weakly prime, because it can be changed into another prime (280963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140483 + 140484.

It is an arithmetic number, because the mean of its divisors is an integer number (140484).

2²⁸⁰⁹⁶⁷ is an apocalyptic number.

280967 is a deficient number, since it is larger than the sum of its proper divisors (1).

280967 is an equidigital number, since it uses as much as digits as its factorization.

280967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 280967 is about 530.0632037786. The cubic root of 280967 is about 65.4965520785.

The spelling of 280967 in words is "two hundred eighty thousand, nine hundred sixty-seven".