523924 has 6 divisors (see below), whose sum is σ = 916874. Its totient is φ = 261960.

The previous prime is 523907. The next prime is 523927. The reversal of 523924 is 429325.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 291600 + 232324 = 540^2 + 482^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65487 + ... + 65494.

2⁵²³⁹²⁴ is an apocalyptic number.

It is an amenable number.

523924 is a deficient number, since it is larger than the sum of its proper divisors (392950).

523924 is a wasteful number, since it uses less digits than its factorization.

523924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130985 (or 130983 counting only the distinct ones).

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

The square root of 523924 is about 723.8259459290. The cubic root of 523924 is about 80.6162819330.

The spelling of 523924 in words is "five hundred twenty-three thousand, nine hundred twenty-four".