434531 has 4 divisors (see below), whose sum is σ = 435864. Its totient is φ = 433200.

The previous prime is 434521. The next prime is 434561. The reversal of 434531 is 135434.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 434531 - 2¹⁰ = 433507 is a prime.

It is a super-2 number, since 2×434531² = 377634379922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434501) 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, 191 + ... + 951.

It is an arithmetic number, because the mean of its divisors is an integer number (108966).

2⁴³⁴⁵³¹ is an apocalyptic number.

434531 is a deficient number, since it is larger than the sum of its proper divisors (1333).

434531 is an equidigital number, since it uses as much as digits as its factorization.

434531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332.

The product of its digits is 720, while the sum is 20.

The square root of 434531 is about 659.1896540450. The cubic root of 434531 is about 75.7426080280.

Adding to 434531 its reverse (135434), we get a palindrome (569965).

The spelling of 434531 in words is "four hundred thirty-four thousand, five hundred thirty-one".