281852065 has 8 divisors (see below), whose sum is σ = 368970048. Its totient is φ = 204983280.

The previous prime is 281852059. The next prime is 281852069. The reversal of 281852065 is 560258182.

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

It is not a de Polignac number, because 281852065 - 2⁷ = 281851937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (281852069) 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, 2562237 + ... + 2562346.

It is an arithmetic number, because the mean of its divisors is an integer number (46121256).

Almost surely, 2^281852065 is an apocalyptic number.

It is an amenable number.

281852065 is a deficient number, since it is larger than the sum of its proper divisors (87117983).

281852065 is a wasteful number, since it uses less digits than its factorization.

281852065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5124599.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 281852065 is about 16788.4503454012. The cubic root of 281852065 is about 655.6525284371.

The spelling of 281852065 in words is "two hundred eighty-one million, eight hundred fifty-two thousand, sixty-five".