281020941 has 8 divisors (see below), whose sum is σ = 416327360. Its totient is φ = 187347276.

The previous prime is 281020937. The next prime is 281020951. The reversal of 281020941 is 149020182.

It is not a de Polignac number, because 281020941 - 2² = 281020937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 10408183 = 281020941 / (2 + 8 + 1 + 0 + 2 + 0 + 9 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281020951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5204065 + ... + 5204118.

It is an arithmetic number, because the mean of its divisors is an integer number (52040920).

Almost surely, 2^281020941 is an apocalyptic number.

It is an amenable number.

281020941 is a deficient number, since it is larger than the sum of its proper divisors (135306419).

281020941 is a wasteful number, since it uses less digits than its factorization.

281020941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10408192 (or 10408186 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 281020941 is about 16763.6792202667. The cubic root of 281020941 is about 655.0074322720.

It can be divided in two parts, 281020 and 941, that added together give a square (281961 = 531²).

The spelling of 281020941 in words is "two hundred eighty-one million, twenty thousand, nine hundred forty-one".