524431 has 4 divisors (see below), whose sum is σ = 537264. Its totient is φ = 511600.

The previous prime is 524429. The next prime is 524453. The reversal of 524431 is 134425.

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 524431 - 2¹ = 524429 is a prime.

It is a super-2 number, since 2×524431² = 550055747522, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5 + 2¹⁹ + 4³ + 4³ + 3² + 1 .

It is a junction number, because it is equal to n+sod(n) for n = 524399 and 524408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524411) 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, 6355 + ... + 6436.

It is an arithmetic number, because the mean of its divisors is an integer number (134316).

2⁵²⁴⁴³¹ is an apocalyptic number.

524431 is a deficient number, since it is larger than the sum of its proper divisors (12833).

524431 is a wasteful number, since it uses less digits than its factorization.

524431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12832.

The product of its digits is 480, while the sum is 19.

The square root of 524431 is about 724.1760835598. The cubic root of 524431 is about 80.6422776104.

Adding to 524431 its reverse (134425), we get a palindrome (658856).

The spelling of 524431 in words is "five hundred twenty-four thousand, four hundred thirty-one".