280848473 has 2 divisors, whose sum is σ = 280848474. Its totient is φ = 280848472.

The previous prime is 280848353. The next prime is 280848479. The reversal of 280848473 is 374848082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271195024 + 9653449 = 16468^2 + 3107^2 .

It is a cyclic number.

It is not a de Polignac number, because 280848473 - 2¹⁶ = 280782937 is a prime.

It is not a weakly prime, because it can be changed into another prime (280848479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140424236 + 140424237.

It is an arithmetic number, because the mean of its divisors is an integer number (140424237).

Almost surely, 2^280848473 is an apocalyptic number.

It is an amenable number.

280848473 is a deficient number, since it is larger than the sum of its proper divisors (1).

280848473 is an equidigital number, since it uses as much as digits as its factorization.

280848473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 344064, while the sum is 44.

The square root of 280848473 is about 16758.5343332882. The cubic root of 280848473 is about 654.8734079302.

The spelling of 280848473 in words is "two hundred eighty million, eight hundred forty-eight thousand, four hundred seventy-three".