461281 has 4 divisors (see below), whose sum is σ = 467200. Its totient is φ = 455364.

The previous prime is 461273. The next prime is 461297. The reversal of 461281 is 182164.

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 461281 - 2³ = 461273 is a prime.

It is a super-2 number, since 2×461281² = 425560321922, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 461281 parts by 960 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461381) 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, 2841 + ... + 2998.

It is an arithmetic number, because the mean of its divisors is an integer number (116800).

2⁴⁶¹²⁸¹ is an apocalyptic number.

It is an amenable number.

461281 is a deficient number, since it is larger than the sum of its proper divisors (5919).

461281 is an equidigital number, since it uses as much as digits as its factorization.

461281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5918.

The product of its digits is 384, while the sum is 22.

The square root of 461281 is about 679.1767074922. The cubic root of 461281 is about 77.2660164456.

The spelling of 461281 in words is "four hundred sixty-one thousand, two hundred eighty-one".