280848353 has 2 divisors, whose sum is σ = 280848354. Its totient is φ = 280848352.

The previous prime is 280848343. The next prime is 280848473. The reversal of 280848353 is 353848082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178676689 + 102171664 = 13367^2 + 10108^2 .

It is a cyclic number.

It is not a de Polignac number, because 280848353 - 2⁶ = 280848289 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 280848353.

It is not a weakly prime, because it can be changed into another prime (280848343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140424176 + 140424177.

It is an arithmetic number, because the mean of its divisors is an integer number (140424177).

Almost surely, 2^280848353 is an apocalyptic number.

It is an amenable number.

280848353 is a deficient number, since it is larger than the sum of its proper divisors (1).

280848353 is an equidigital number, since it uses as much as digits as its factorization.

280848353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 280848353 is about 16758.5307530225. The cubic root of 280848353 is about 654.8733146595.

The spelling of 280848353 in words is "two hundred eighty million, eight hundred forty-eight thousand, three hundred fifty-three".