523534 has 16 divisors (see below), whose sum is σ = 874800. Its totient is φ = 232960.

The previous prime is 523519. The next prime is 523541. The reversal of 523534 is 435325.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a d-powerful number, because it can be written as 5⁷ + 2¹⁷ + 5⁷ + 3¹⁰ + 3¹¹ + 4² .

It is a congruent number.

It is an unprimeable number.

523534 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 7 ways as a sum of consecutive naturals, for example, 942 + ... + 1390.

It is an arithmetic number, because the mean of its divisors is an integer number (54675).

2⁵²³⁵³⁴ is an apocalyptic number.

523534 is a deficient number, since it is larger than the sum of its proper divisors (351266).

523534 is a wasteful number, since it uses less digits than its factorization.

523534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515.

The product of its digits is 1800, while the sum is 22.

The square root of 523534 is about 723.5564939934. The cubic root of 523534 is about 80.5962738438.

Adding to 523534 its reverse (435325), we get a palindrome (958859).

Subtracting from 523534 its reverse (435325), we obtain a square (88209 = 297²).

The spelling of 523534 in words is "five hundred twenty-three thousand, five hundred thirty-four".