523042 has 8 divisors (see below), whose sum is σ = 844956. Its totient is φ = 241392.

The previous prime is 523031. The next prime is 523049. The reversal of 523042 is 240325.

It can be written as a sum of positive squares in 2 ways, for example, as 461041 + 62001 = 679^2 + 249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (523049) 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, 10033 + ... + 10084.

2⁵²³⁰⁴² is an apocalyptic number.

523042 is a deficient number, since it is larger than the sum of its proper divisors (321914).

523042 is a wasteful number, since it uses less digits than its factorization.

523042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20132.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 523042 is about 723.2164268046. The cubic root of 523042 is about 80.5710186901.

Adding to 523042 its reverse (240325), we get a palindrome (763367).

The spelling of 523042 in words is "five hundred twenty-three thousand, forty-two".