461731 has 4 divisors (see below), whose sum is σ = 464464. Its totient is φ = 459000.

The previous prime is 461717. The next prime is 461801. The reversal of 461731 is 137164.

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 461731 - 2⁷ = 461603 is a prime.

It is a super-2 number, since 2×461731² = 426391032722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431731) 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, 1095 + ... + 1456.

It is an arithmetic number, because the mean of its divisors is an integer number (116116).

2⁴⁶¹⁷³¹ is an apocalyptic number.

461731 is a deficient number, since it is larger than the sum of its proper divisors (2733).

461731 is a wasteful number, since it uses less digits than its factorization.

461731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732.

The product of its digits is 504, while the sum is 22.

The square root of 461731 is about 679.5079101821. The cubic root of 461731 is about 77.2911337509.

Adding to 461731 its reverse (137164), we get a palindrome (598895).

The spelling of 461731 in words is "four hundred sixty-one thousand, seven hundred thirty-one".