523249 has 4 divisors (see below), whose sum is σ = 540160. Its totient is φ = 506340.

The previous prime is 523219. The next prime is 523261. The reversal of 523249 is 942325.

It is a happy number.

523249 is nontrivially palindromic in base 14.

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 523249 - 2⁹ = 522737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523219) 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, 8409 + ... + 8470.

It is an arithmetic number, because the mean of its divisors is an integer number (135040).

2⁵²³²⁴⁹ is an apocalyptic number.

It is an amenable number.

523249 is a deficient number, since it is larger than the sum of its proper divisors (16911).

523249 is a wasteful number, since it uses less digits than its factorization.

523249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16910.

The product of its digits is 2160, while the sum is 25.

The square root of 523249 is about 723.3595233354. The cubic root of 523249 is about 80.5816462631.

The spelling of 523249 in words is "five hundred twenty-three thousand, two hundred forty-nine".