281006941 has 4 divisors (see below), whose sum is σ = 295796800. Its totient is φ = 266217084.

The previous prime is 281006933. The next prime is 281006951. The reversal of 281006941 is 149600182.

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 281006941 - 2³ = 281006933 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 (281006951) 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, 7394901 + ... + 7394938.

It is an arithmetic number, because the mean of its divisors is an integer number (73949200).

Almost surely, 2^281006941 is an apocalyptic number.

It is an amenable number.

281006941 is a deficient number, since it is larger than the sum of its proper divisors (14789859).

281006941 is a wasteful number, since it uses less digits than its factorization.

281006941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14789858.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 281006941 is about 16763.2616456345. The cubic root of 281006941 is about 654.9965549612.

The spelling of 281006941 in words is "two hundred eighty-one million, six thousand, nine hundred forty-one".