280761713 has 4 divisors (see below), whose sum is σ = 292968768. Its totient is φ = 268554660.

The previous prime is 280761671. The next prime is 280761757. The reversal of 280761713 is 317167082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 280761713 - 2²⁶ = 213652849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (280761913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6103493 + ... + 6103538.

It is an arithmetic number, because the mean of its divisors is an integer number (73242192).

Almost surely, 2^280761713 is an apocalyptic number.

280761713 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

280761713 is a deficient number, since it is larger than the sum of its proper divisors (12207055).

280761713 is a wasteful number, since it uses less digits than its factorization.

280761713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12207054.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 280761713 is about 16755.9456014873. The cubic root of 280761713 is about 654.8059662621.

The spelling of 280761713 in words is "two hundred eighty million, seven hundred sixty-one thousand, seven hundred thirteen".