524409 has 8 divisors (see below), whose sum is σ = 709920. Its totient is φ = 344256.

The previous prime is 524389. The next prime is 524411. The reversal of 524409 is 904425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 524409 - 2¹² = 520313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1104 + ... + 1505.

It is an arithmetic number, because the mean of its divisors is an integer number (88740).

2⁵²⁴⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

524409 is a deficient number, since it is larger than the sum of its proper divisors (185511).

524409 is a wasteful number, since it uses less digits than its factorization.

524409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 524409 is about 724.1608937246. The cubic root of 524409 is about 80.6411499407.

The spelling of 524409 in words is "five hundred twenty-four thousand, four hundred nine".