281295049 has 8 divisors (see below), whose sum is σ = 321894848. Its totient is φ = 240798960.

The previous prime is 281295017. The next prime is 281295071. The reversal of 281295049 is 940592182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 281295049 - 2⁵ = 281295017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (281298049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20022 + ... + 31039.

It is an arithmetic number, because the mean of its divisors is an integer number (40236856).

Almost surely, 2^281295049 is an apocalyptic number.

It is an amenable number.

281295049 is a deficient number, since it is larger than the sum of its proper divisors (40599799).

281295049 is an equidigital number, since it uses as much as digits as its factorization.

281295049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51855.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 281295049 is about 16771.8528791544. The cubic root of 281295049 is about 655.2203279526.

The spelling of 281295049 in words is "two hundred eighty-one million, two hundred ninety-five thousand, forty-nine".