281399041 has 16 divisors (see below), whose sum is σ = 353950848. Its totient is φ = 217324800.

The previous prime is 281399021. The next prime is 281399051. The reversal of 281399041 is 140993182.

It is a de Polignac number, because none of the positive numbers 2^k-281399041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (281399021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7470 + ... + 24871.

It is an arithmetic number, because the mean of its divisors is an integer number (22121928).

Almost surely, 2^281399041 is an apocalyptic number.

It is an amenable number.

281399041 is a deficient number, since it is larger than the sum of its proper divisors (72551807).

281399041 is a wasteful number, since it uses less digits than its factorization.

281399041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32472.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 281399041 is about 16774.9527868188. The cubic root of 281399041 is about 655.3010608316.

The spelling of 281399041 in words is "two hundred eighty-one million, three hundred ninety-nine thousand, forty-one".