280908041 has 4 divisors (see below), whose sum is σ = 280952592. Its totient is φ = 280863492.

The previous prime is 280908037. The next prime is 280908059. The reversal of 280908041 is 140809082.

It is a happy number.

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 280908041 - 2² = 280908037 is a prime.

It is a super-3 number, since 3×280908041³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 280907989 and 280908007.

It is not an unprimeable number, because it can be changed into a prime (280908241) 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, 10871 + ... + 26076.

It is an arithmetic number, because the mean of its divisors is an integer number (70238148).

Almost surely, 2^280908041 is an apocalyptic number.

It is an amenable number.

280908041 is a deficient number, since it is larger than the sum of its proper divisors (44551).

280908041 is an equidigital number, since it uses as much as digits as its factorization.

280908041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44550.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 280908041 is about 16760.3114827858. The cubic root of 280908041 is about 654.9197042374.

The spelling of 280908041 in words is "two hundred eighty million, nine hundred eight thousand, forty-one".