281408601 has 8 divisors (see below), whose sum is σ = 394959520. Its totient is φ = 177731712.

The previous prime is 281408593. The next prime is 281408653. The reversal of 281408601 is 106804182.

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

It is not a de Polignac number, because 281408601 - 2³ = 281408593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (281408671) 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, 2468440 + ... + 2468553.

It is an arithmetic number, because the mean of its divisors is an integer number (49369940).

Almost surely, 2^281408601 is an apocalyptic number.

It is an amenable number.

281408601 is a deficient number, since it is larger than the sum of its proper divisors (113550919).

281408601 is a wasteful number, since it uses less digits than its factorization.

281408601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937015.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 281408601 is about 16775.2377330397. The cubic root of 281408601 is about 655.3084816188.

The spelling of 281408601 in words is "two hundred eighty-one million, four hundred eight thousand, six hundred one".