281207241 has 64 divisors (see below), whose sum is σ = 493516800. Its totient is φ = 154934208.

The previous prime is 281207221. The next prime is 281207249. The reversal of 281207241 is 142702182.

It is not a de Polignac number, because 281207241 - 2⁵ = 281207209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (281207249) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 670930 + ... + 671348.

It is an arithmetic number, because the mean of its divisors is an integer number (7711200).

Almost surely, 2^281207241 is an apocalyptic number.

281207241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

281207241 is a deficient number, since it is larger than the sum of its proper divisors (212309559).

281207241 is a wasteful number, since it uses less digits than its factorization.

281207241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 281207241 is about 16769.2349557158. The cubic root of 281207241 is about 655.1521438231.

The spelling of 281207241 in words is "two hundred eighty-one million, two hundred seven thousand, two hundred forty-one".