524109 has 4 divisors (see below), whose sum is σ = 698816. Its totient is φ = 349404.

The previous prime is 524099. The next prime is 524113. The reversal of 524109 is 901425.

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 not a de Polignac number, because 524109 - 2⁹ = 523597 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524119) 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, 87349 + ... + 87354.

It is an arithmetic number, because the mean of its divisors is an integer number (174704).

2⁵²⁴¹⁰⁹ is an apocalyptic number.

It is an amenable number.

524109 is a deficient number, since it is larger than the sum of its proper divisors (174707).

524109 is a wasteful number, since it uses less digits than its factorization.

524109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174706.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 524109 is about 723.9537278031. The cubic root of 524109 is about 80.6257694777.

The spelling of 524109 in words is "five hundred twenty-four thousand, one hundred nine".