280614073 has 2 divisors, whose sum is σ = 280614074. Its totient is φ = 280614072.

The previous prime is 280614071. The next prime is 280614101. The reversal of 280614073 is 370416082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217061289 + 63552784 = 14733^2 + 7972^2 .

It is a cyclic number.

It is not a de Polignac number, because 280614073 - 2¹ = 280614071 is a prime.

Together with 280614071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (280614071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140307036 + 140307037.

It is an arithmetic number, because the mean of its divisors is an integer number (140307037).

Almost surely, 2^280614073 is an apocalyptic number.

It is an amenable number.

280614073 is a deficient number, since it is larger than the sum of its proper divisors (1).

280614073 is an equidigital number, since it uses as much as digits as its factorization.

280614073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 280614073 is about 16751.5394217964. The cubic root of 280614073 is about 654.6911684352.

The spelling of 280614073 in words is "two hundred eighty million, six hundred fourteen thousand, seventy-three".