280106741 has 4 divisors (see below), whose sum is σ = 281148300. Its totient is φ = 279065184.

The previous prime is 280106707. The next prime is 280106747. The reversal of 280106741 is 147601082.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41280625 + 238826116 = 6425^2 + 15454^2 .

It is a cyclic number.

It is not a de Polignac number, because 280106741 - 2⁶ = 280106677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280106747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520376 + ... + 520913.

It is an arithmetic number, because the mean of its divisors is an integer number (70287075).

Almost surely, 2^280106741 is an apocalyptic number.

It is an amenable number.

280106741 is a deficient number, since it is larger than the sum of its proper divisors (1041559).

280106741 is a wasteful number, since it uses less digits than its factorization.

280106741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041558.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 280106741 is about 16736.3897241908. The cubic root of 280106741 is about 654.2963840687.

The spelling of 280106741 in words is "two hundred eighty million, one hundred six thousand, seven hundred forty-one".