531472 has 20 divisors (see below), whose sum is σ = 1049040. Its totient is φ = 260768.

The previous prime is 531457. The next prime is 531481. The reversal of 531472 is 274135.

It is a d-powerful number, because it can be written as 5 + 3¹² + 4² + 1 + 7 + 2 .

It is a plaindrome in base 11.

It is a nialpdrome in base 14.

It is an unprimeable number.

531472 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663 + ... + 1225.

It is an arithmetic number, because the mean of its divisors is an integer number (52452).

531472 is a Friedman number, since it can be written as 7*5-4+3^12, using all its digits and the basic arithmetic operations.

2⁵³¹⁴⁷² is an apocalyptic number.

It is an amenable number.

531472 is a deficient number, since it is larger than the sum of its proper divisors (517568).

531472 is a wasteful number, since it uses less digits than its factorization.

531472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 624 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 531472 is about 729.0212616927. The cubic root of 531472 is about 81.0015749325.

The spelling of 531472 in words is "five hundred thirty-one thousand, four hundred seventy-two".