531463 has 4 divisors (see below), whose sum is σ = 537040. Its totient is φ = 525888.

The previous prime is 531457. The next prime is 531481. The reversal of 531463 is 364135.

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 531463 - 2¹⁷ = 400391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2643 + ... + 2836.

It is an arithmetic number, because the mean of its divisors is an integer number (134260).

2⁵³¹⁴⁶³ is an apocalyptic number.

531463 is a deficient number, since it is larger than the sum of its proper divisors (5577).

531463 is an equidigital number, since it uses as much as digits as its factorization.

531463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5576.

The product of its digits is 1080, while the sum is 22.

The square root of 531463 is about 729.0150890071. The cubic root of 531463 is about 81.0011177004.

Subtracting from 531463 its sum of digits (22), we obtain a 12-th power (531441 = 3¹²).

Adding to 531463 its reverse (364135), we get a palindrome (895598).

The spelling of 531463 in words is "five hundred thirty-one thousand, four hundred sixty-three".