524609 has 4 divisors (see below), whose sum is σ = 552240. Its totient is φ = 496980.

The previous prime is 524599. The next prime is 524633. The reversal of 524609 is 906425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 524609 - 2⁴ = 524593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (524669) 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, 13787 + ... + 13824.

It is an arithmetic number, because the mean of its divisors is an integer number (138060).

2⁵²⁴⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

524609 is a deficient number, since it is larger than the sum of its proper divisors (27631).

524609 is a wasteful number, since it uses less digits than its factorization.

524609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27630.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 524609 is about 724.2989714200. The cubic root of 524609 is about 80.6514003242.

The spelling of 524609 in words is "five hundred twenty-four thousand, six hundred nine".