280283963 has 2 divisors, whose sum is σ = 280283964. Its totient is φ = 280283962.

The previous prime is 280283951. The next prime is 280283977. The reversal of 280283963 is 369382082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 280283963 - 2¹⁰ = 280282939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 280283963.

It is not a weakly prime, because it can be changed into another prime (280280963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140141981 + 140141982.

It is an arithmetic number, because the mean of its divisors is an integer number (140141982).

Almost surely, 2^280283963 is an apocalyptic number.

280283963 is a deficient number, since it is larger than the sum of its proper divisors (1).

280283963 is an equidigital number, since it uses as much as digits as its factorization.

280283963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 280283963 is about 16741.6833980338. The cubic root of 280283963 is about 654.4343448893.

The spelling of 280283963 in words is "two hundred eighty million, two hundred eighty-three thousand, nine hundred sixty-three".