431461 has 4 divisors (see below), whose sum is σ = 434272. Its totient is φ = 428652.

The previous prime is 431449. The next prime is 431479. The reversal of 431461 is 164134.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 164134 = 2 ⋅82067.

It is a cyclic number.

It is not a de Polignac number, because 431461 - 2⁵ = 431429 is a prime.

It is a Duffinian number.

431461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431441) 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, 1161 + ... + 1486.

It is an arithmetic number, because the mean of its divisors is an integer number (108568).

2⁴³¹⁴⁶¹ is an apocalyptic number.

It is an amenable number.

431461 is a deficient number, since it is larger than the sum of its proper divisors (2811).

431461 is a wasteful number, since it uses less digits than its factorization.

431461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810.

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

The square root of 431461 is about 656.8569098365. The cubic root of 431461 is about 75.5638102124.

Adding to 431461 its reverse (164134), we get a palindrome (595595).

The spelling of 431461 in words is "four hundred thirty-one thousand, four hundred sixty-one".