461291 has 4 divisors (see below), whose sum is σ = 472584. Its totient is φ = 450000.

The previous prime is 461273. The next prime is 461297. The reversal of 461291 is 192164.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 461291 - 2¹⁰ = 460267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5585 + ... + 5666.

It is an arithmetic number, because the mean of its divisors is an integer number (118146).

2⁴⁶¹²⁹¹ is an apocalyptic number.

461291 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

461291 is a deficient number, since it is larger than the sum of its proper divisors (11293).

461291 is a wasteful number, since it uses less digits than its factorization.

461291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11292.

The product of its digits is 432, while the sum is 23.

The square root of 461291 is about 679.1840693067. The cubic root of 461291 is about 77.2665747854.

The spelling of 461291 in words is "four hundred sixty-one thousand, two hundred ninety-one".