461431 has 4 divisors (see below), whose sum is σ = 488592. Its totient is φ = 434272.

The previous prime is 461413. The next prime is 461437. The reversal of 461431 is 134164.

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 461431 - 2⁹ = 460919 is a prime.

It is a super-2 number, since 2×461431² = 425837135522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461399 and 461408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461437) 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, 13555 + ... + 13588.

It is an arithmetic number, because the mean of its divisors is an integer number (122148).

2⁴⁶¹⁴³¹ is an apocalyptic number.

461431 is a deficient number, since it is larger than the sum of its proper divisors (27161).

461431 is a wasteful number, since it uses less digits than its factorization.

461431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27160.

The product of its digits is 288, while the sum is 19.

The square root of 461431 is about 679.2871263317. The cubic root of 461431 is about 77.2743906950.

Adding to 461431 its reverse (134164), we get a palindrome (595595).

The spelling of 461431 in words is "four hundred sixty-one thousand, four hundred thirty-one".